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  • Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.

Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc. Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc. Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc. Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc. Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.

Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.

4.7 / 5 (180 reviews)
  • Supplied brand new and in sealed retail packaging. High capacity and high output dual USB port powerbank is great for remotely powering and re-charging your depleted mobile phone, smartphone, tablet, bluetooth speaker or bluetooth headset etc. etc.
  • Fully portable and compact unit: May be taken onboard planes (take as hand-baggage) and through airport security without an issue. A perfect companion for travelling and outdoor life and for when you need to re-charge and/or power your essential devices!
  • This high capacity 10,000mAh will charge a mobile phone several times over. Twin high output ports for fast charging 2 devices at the same time. A quick check button/Blue LED's show remaining power in unit which operates whilst charging and re-charging...
  • A built in LED torch makes it extra handy for travel and motorists too. Supplied brand new in manufacturers original packaging, complete with USB to Micro USB charging cable. A high quality Sumvision product!
  • Powerful but compact unit measures just L13xW6xD2cm. A really superb back-up power source /power-bank to carry and keep with you. Twin USB ports too!
  • We have been selling online since the year 2000. Buy with confidence.

Out of stock

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Description

Description

Please note: This item has delivery restrictions & can only be delivered to Mainland UK (excluding Highlands), Germany, France & Austria. The delivery to these destinations has to take place by road only & may take an extra day to arrive.

Suitable for charging and powering smartphones, tablets, bluetooth speakers and headphones and any USB chargeable device. This dual USB port and portable Powerbank can help you avoid the hassle of your device running out of battery when you are on the go - also provides instant power in an emergency too. Great for travellers, outdoor living and families etc.

Great for work or home users, the Sumvision 10,000mAh powerbank also has a built-in torch and LED indicator to show how much charge is left. With two USB ports to charge devices, this is a handy powerbank. It comes with the required USB to Micro USB cable charge cable. You can use to charge any USB device - you may need to use your own USB cable for Apple or Type- devices etc. 

Specifications

Capacity: 10000mAh
Input: DC5V 1A (MAX)
Output: DC5V 2A (MAX)
Dimensions: 6 x 13.8 x 2cm (W x L x H)
Manufacturer's warranty: 1 year

What's in the Box?

1 x Powerbank
1 x USB to Micro USB charge cable - use cable this to charge the unit from any USB port. Or reverse it to charge many devices - this handy hint might save you having to carry another cable!? :-) 


Additional Information

SKU SUM10400POWERBANK
Brand Sumvision
Packaged Weight 319.0000
UPC / EAN / GTIN (12/13) 6931502200015
MPN SUM10400POWERBANK
Item Condition Brand New
Manufacturer Warranty 1 Year
Shipping Speed 3-5 days

Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Perfect price and delivery. Powers all my devices whilst away. Perfect... Mobile power for device management. Perfect... - Fantastic price and delivery. Helps me to provide mobile power to several devices. Perfect....
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Great item, works well, love it!! Good piece of kit that works. - Great, ordered it, paid for it, it came, it works, just what I wanted
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
4 /5
Really good product, charges quickly and has enough juice for several charges of the phone Excellent products from 7dayshop - The product took a little while to arrive but the quality is good and am really pleased that I bought it.
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
4 /5
Heavier than I expected but holds a good charge. Bought it for a 22 hour coach journey. Fast cheap service - Good fast service for batteries.
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
3 /5
This power bank does exactly as described. I’m not sure about the 10,000mah, though. It seemed to discharge more quickly than expected, when connected to an iPad mini. Also, it takes ‘an age’ to fully charge. Make sure you give it at least 12hrs for its first full charge, and even then, it might not quite be full. Subsequent charges, however, do seem to be a little quicker. I wouldn’t buy another but would consider two smaller units. Fast and efficient. - 7dayshop are an excellent company to deal with and l’ve used them for many years. Delivery is very quick and the products and prices better than most.
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Plenty of power, nice piece of kit. Great service & products - Good range of products sensibly priced.
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Looks the business, charged it up and it works a treat, love the fact I can charge more than one device at a time. The torch is a handy feature too! Just Brilliant - Typical of 7dayshop.com, they advertise stuff at very sensible prices including delivery, so you order it & in a couple of days it arrives! BRILLIANT!
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Great value,great bit of kit Great value again from 7 Day Shop - Upgraded to a 10,000 ahr power bank,seen many but the price of this one is very good so I bought it. The ear plugs are one of the wife's xmas presents for the wife apparently I snore !!
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Brilliant product does what it says on tin !!! Just brilliant. - Excellent service from point of order to delivery WELL DONE !!!!!
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
power bank does what it does all good quick delivery - all good arrives quickly, cheaper and better service than other on line retailers
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Bought for grandson so he can charge up his phone and ipad while on scout trips. He loves it. Item as described, very quick delivery. Excellent service.
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Excellent product with massive capacity and a very good price Excellent product - massive capacity - Product received was faulty - replacement sent by very responsive customer service.
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
good value can power 2 devices power bank - came quickly and good value
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Just as needed plenty of power 5star - Great service the items were exactly as ordered
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Does everything it is supposed to do at a reasonable price No trouble returning faulty item for a full rebate
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
4 /5
Not had this product long, but so far works really well charging my iPhone SE. Reliable - I have bought a variety of items from 7dayshop over several years and have never had cause to complain.
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
It worked first time of charging Good quality - Used 7dayshop for years delivery is prompt and I've yet to be disappointed in quality.
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
3 /5
Very nic3 item , bit on the heavy side. Good value 4 money. - Received the item , well packed & very fast.
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Excellent service. Good product. Delivered on time Excellent service - Excellent service. Good product delivers on tome
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
It works! Full marks to the team. "Fantastic value!" Can't you see I'm busy? - All our operators are busy right now but your call will be answered as soon as possible.
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Very handy to have around and when on holiday,useful to charge my phone and watch at the same time. Ideal phone and watch charger - Always reliable to deliver genuine good items.
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Works very well. I needed to charge my phone the other day and so I tried the Sumvision power bank and it worked perfectly and only used a small amount of the charge available. I reckon I could have charged my phone 4 or 5 times with this power bank. Excellent value and brilliant product. Excellent service as always. I have shopped with 7DayShop.com for may years and have never been disappointed.
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Superb product. Very satisfied. Excellent service and product quality
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
3 /5
charging seemed OK but didn't fully charge the phone - it went to arounf 80% charged smooth order processing and fast delivery
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Great value and very useful when travelling. My wife is always forgetting to charge her phone but with a power bank and cable in her handbag, the problem is resolved! Over the years I have found 7 Day Shop sell good products at good prices and try to sort things out when problems crop up.
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Two happy grandchildren, both fully charged now! Quick service, good price.
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Does exactly what it should and is just the job for around a tenner! 7 Day shop are always right on the money, service and products and now I have moved to France and I have found that they deliver here I shall continue to use them
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
it charges guick and last Have brought a lot and no problem as yet wil highly recommend them
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Good product,does what says it does Prompt service, excellent product would use them again
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Does what it says. Lasts for ages between charges. So good I bought two. Excellent service as always and delivered as promised. Definitely will use again and have recommended several family and friends to their website.
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Quickly charged - put into service immediately and performing well so far. Excellent as ever - fast delivery with no problems.
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Excellent service and great products and prices I have always received excellent service and quality from them and there products and prices are very competitive
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
A bit heavier to handle than expected but overall a good product I always receive my goods in excellent condition and true to the info given, plus the delivery is quick.
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
A good product at a good price and delivered on time. As normal with 7day shop good service good price and delivered on time what more do you want.
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
4 /5
Does as it says on the box so far, I purchased it to replace an earlier power pack(different manufacturer) that shorted out internally, overheated and became too hot to touch, and was disposed of safely before it set fire to my rucksack and other contents. BEWARE of all these high-power battery packs. DO NOT carry them in luggage, attach externally for quick disposal in case of EMERGENCY..... Straightforward and prompt.
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Tidy product that does appear to have the rated capacity mentioned after a full discharge test. Excellent product at a decent price. There was some delay in the delivery but this was during the influence of the Best from the East... and an email enquiry as the items whereabouts brought back a swift reply with tracking information and the news that t
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Excellent product. Good to have sufficient backup power to hand. I am generally very pleased with the quality of 7DayShop products. When buying online, one is never really sure of this and takes a chance when purchasing prior to seeing the goods. thank you Peter Neal
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
3 /5
Product fine. Cost of delivery prohibitive 
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Bought 5 power banks as presents and all recipients very happy. Will charge my Sony Experia XA1 4 times no problem.Excellent product. Have used 7dayshop for a number of years and always get 5 star service. Excellent products, brilliant prices and always on time delivery. Well done again.
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
this is excellent value. I'm very pleased with it. the service is excellent I've never been disappointed. My orders always come in good time and the prices are very good.
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Excellent product that has had lots of use already, as a wildlife photographer I am always away from a power supply, these keeps my phone going for 5 or 6 full charges.. I'll probably buy a second one as a back-up for longer trips away! As always, right product, right price and quick service!
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Immense power at hand. No more flat battery in my mobile! As always, everything sold is absolutely value for money. Quick dispatch. Efficiency!
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Good quality powerpack that keeps my tablet fully charged. As ever rapid service with excellent packing and great price for the products.
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
An excellent back up power source. Heavy but that's confirmation of its quality. Prompt, efficient service. I was kept informed all the way through the delivery process by text and email, very useful.
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
The power back charges as expected and will charge my phone 2 or 3 times. It will charge from a 12v battery using a cigarette lighter USB adapter. The 2.1A output for modern phones is a good touch as is the small LED light. The 1A output will keep my cycling computer topped up. Items arrived well packed and as described.
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
An excellent product and charges my tablet very quickly. As usual, 7 day shop were excellent. Website is easy to use. The products arrived very quickly. The products are excellent. Thanks and well done.
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
I bought this on the recommendation of someone who is a heavy powerbank user. He has much experience of powerbanks most of which had failed him for one reason or another. This one was purchased as it is also at a low price for the capacity. As usual, no hassle, quick delivery of a good product.
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
4 /5
Item as described and works well Good service
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
4 /5
Bought 2 for the price. Seem to work ok for the moment, though I thought 1 may be faulty as it wasn't lighting all that blue charging bars after hours on charge! I'll keep an eye on it! 
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Everything as expected at a decent price. Everything excellent. I did have a query with the battery, however it turned out that the manufacturers packaging stated 10000mah and was incorrect.
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Our customer rated the product 5 stars Rapid easy to navigate website, combined with superfast postage what more could a buyer ask for?
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Great work well all who received them were very pleased. Received the chargers ok very good but the magnetic holders arrived on the 23rd December and had made other gift arrangements just in case.
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Quality at an affordable price. Brilliant as always.
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Our customer rated the product 5 stars As always you get what it says on the box.
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
4 /5
Although this item arrives without instructions for use (as other reviews had indicated) it's all pretty straightforward. Note that the blue lights do not show any indication of the state of charge or discharge of the unit (which would be nice!) and that holding down the ON switch for a few seconds brings on the 'torch' facility but you also have to hold it down for a few seconds to switch it off again. One item took a little longer than expected to arrive but then, it was the run-up to Christmas so, fair enough! Both items arrived in good condition and worked as expected.
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
4 /5
Can't rate these as they are Christmas presents, but I'm hoping they'll be great. Goods were as advertised, thank you, and the delivery was very fast. All in all, 10 out of 10. Merry Christmas!!!
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Great price for a good product. It is a bit weighty but has plenty of power. Keeps Phone and Tablet charged for a long weekend with power to spare. Bought one a couple a years back and just bought 5 more for family. Easy to deal with, good Products and prices with quick delivery. Can't get better than that!
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Really useful adjunct to smart phone!! Excellent products and superb service as always. Would recommend to all!!!
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Works well on initial testing (bought as Christmas presents) Excellent products at an excellent price, excellent communication and excellent delivery followed by excellent aftersales on the rare occasion when something goes wrong so it has to be excellent overall.
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Its a simple box, two usb outputs for charging phones etc and a micro usb for charging the unit, auto on, so plug and play, just wish I had bought one earlier. Easy and pleasant online experience. Simple search, easy read of description, what it does and does not do, and free postage to boot, what more can you ask for.
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
4 /5
Last one developed connection issues after 8 months but as a powerbank it is good and powerful. 
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Excellent service prompt deluvery Excellent speedy srvice
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Great brand ta a great price all as ordered promtely delivered
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Great for charging phone when away from base Great prices and very efficient service
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Very good and useful in out of the way places 
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Exactly what was required Great service and product
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Holds lots of power to top up or fully charge your phone or tablet. I bought 4 not 2 and tried immediately to correct this. This was not possible told to send back unwanted units and given an rma number. The post office will not allow li ion batteries in the post and minimum cost via courier is 14 quid.
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Great bit of kit at an unbelievable price. Good fast service,
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
No instructions are provided but he unit has 4 LEDS which will either show charge left or charging status depending on whether you are using it to charge another item or if plugged into the mains for recharging. When plugged into the mains for recharging the level is indicated by flashing LED, when full all 4 are constantly illuminated. When charging another item the LEDS will light up for a short time after connecting to show charge left. There is also a button which when pressed will also light up the LEDS to show charge status. I charged my iphone up twice from flat (takes a little longer than using mains power) and there was still 50% left in the backup pack. Although I haven't had the product long it appears to be robust and well made. The I charged up my iphone from flat on two occassions and the pack was still showing 50% left. Usual fast service from 7Dayshop even though standard delivery service used.
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
4 /5
Our customer rated the product 4 stars Excellent service have used before and will again
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Our customer rated the product 5 stars Once again a quality product with equivalent despatch!
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Have used the Battery pack with my Wife's mobile phone &am pleased to say work most satisfactory. Goods were of good quality, arrived on time as specified, price is very competitive, & I use the Company fairly frequently & would not hesitate recommend you to other persons seeking similar products of the type advertised.
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Our customer rated the product 5 stars :-)
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Simple to use and worked great at the festival for charging both mine and my sons phones at the same time. Can get a bit warm when charging devices. Great product, great price and quick delivery
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Our customer rated the product 5 stars Does what it says on the packet and they seam to work well
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Brilliant product. Had about 40% power when it arrived, stuck it on charge straight away and was fully charged by next morning. They take a lot of charging so don't think you can do a quick charge like a mobile phone. Fully charged, it recharged an Iphone 6, an Iphone 5 and a Samsung A3 and left about 30 minutes use on an Ipad. It recharged my Samsung Galaxy 7 Edge twice and had one green light left. Really happy with it, so far I've bought two and a work colleague has now bought one. I've used 7Day shop many times over 5 years now. Never had to return anything or complain.
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Works good. Battery is ok. I would recomend it Quick
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Really does what it says on the tin. I've tried this out more than a dozen times and I love it! Especially fit the £££s. Fantastic value!! Excellent speed of delivery
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Used this and found it first class you can charge phone about four times before recharging block, so impressed with it I have bought two more for son and wife. As usual a brilliant service and quick, can't fault them
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Does what it says on the tin. Great. What can I say, excellent as usual. Never had a problem. Thank you.
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Power banks are hugely popular with people on the move. With some huge capacities claimed by eBay sellers, I chose 7 Day shop because so many things can go wrong with lithium batteries. This unit has at least twice that of those sold in garages an similar outlets for the same price. I took the plunge and bought two of these, as seven of us were going on holiday. No need to worry about losing the instructions, there are none, but they are easy to use. Plug into a USB charger, ideally 2A, and the blue lights indicate progress. This will take several hours for a full charge. To use, press the button and the lights come on for a few seconds and you can charge two devices at once. Kindle paper white, phones, huddles mp3 players and DAB radio will all work. It cuts off when the charge has finished and you can expect at least two charges of medium sized devices. Sometimes it cuts out before the charge is 100% but that's not a major drawback. Press and hold the button and it is now a torch. As a footnote lithium devices are permitted on most flights as long as they are in the hand luggage and below a certain capacity far above this power bank's rating. Delivered quickly. As explained lithium batteries have to use couriers not Royal Mail.
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
It is very great, I love it Excellent
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
These are just the job for camping etc as it charged my phone 3 complete times. I got 2 so everyone was happy. Both power banks received exactly when advised. No problems so no need to contact anybody.
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Our customer rated the product 5 stars As always great products & great service
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
4 /5
First one went faulty after a few months Faulty unit replaced by return of post.
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Good value for money compared to power banks from other outlets.Plenty of charging power and a robust build. I have been a customer of 7 Day Shop for many years and they always provide an service and value for money.
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
4 /5
Not the 10400 as described, but I did get a partial refund for the inconvenience. Other than that not bad. Fast delivery, quality goods at very reasonable prices.
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Good battery life, though it takes a while to charge. Good value fir money Prompt delivery
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Our customer rated the product 5 stars the website was easy to navigate. Would use again.
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
bought for my son who found it brilliant fast easy reliable service. very efficient
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
in all honesty i wasn't expecting such robustness in charging ability from this little beasty, but im happy to say that even with my power hungry nexus 9 and note 3 it recharges rapidly and well. on 2A slot with little heat up and over drain on the packs cells i can get many full recharges before having to stop and recharge the pack. i have already recommended it to 7 other friends who are looking for something in its size to replace the woefully underpowered round tube packs out there. always fast and responsive to the contact us form with very professional replies
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Does what it says on tin! Great gadget. Very efficient
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Excellent - well built - good capacity Good
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Very good power bank for the price! Managed 5-6 full phone chargers on iPhone! Very please with speedy delivery. Great service!
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
The product was a very reasonable price and appears to be of good quality. Excellent service.
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
As they say "it does what it says on the box". Speedy service as usual.
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
GREAT BUY GOOD VALUE LIFESAVER Great value
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
excellent good powerful product excellent
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Used over a long weekend caravanning, kept the mobiles well charged. Excellent value. Never let me down and never had to return an item. Doesn't get better than that.
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
4 /5
Shipped quick Battery life good Cable is a bit rubbish Quick delivery
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Our customer rated the product 5 stars Excellent service
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Fantastic never be with out power again As always best service every time
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Our customer rated the product 5 stars Prompt and efficient service as always.
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
modern communications demand power and this works for all gadgets away from home. never been bettered by anybody else
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Our customer rated the product 5 stars Always great value for money and always excellent service.
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
They take quite a while to fully charge but that's to be expected given the hefty 10400mAh battery inside. Once they are charged they're simple to use. I've charged iPad minis, iPhones, an Android tablet and Android phone and all charged reasonably quickly. Having two USB ports on the device is also useful at times. It remains to be seen how the battery capacity holds up but so far I've been really impressed with this. Great value, too. Online service was good and the delivery pretty quick. Obviously you need to consider the delivery charges before buying but generally I've found 7DayShop to still be good value even with this when choosing the basic delivery price.
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
4 /5
Only needed to use it once so far -- and a review of a power bank after just a month is not very useful! It has two outputs, 1 amp and 2 amp. There is a switch to turn it on, but it's not obvious whether it stays on or turns itself off as the blue charging light comes on every time you press the switch. It can power my Panasonic HC-V550 camcorder, but I have not yet tried it as the sole power source for any length of time so I don't know how long it would last. Good service as always
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
4 /5
Bought for festival. Seems good value not too big and price is good. Feels well made- not used in anger yet but good first impressions. LED power bar also useful. Easy service and quick delivery
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
First impressions indicate this is a good product. Holds a good charge and is useful for taking with you as a back up power source. Always very efficient, never had a problem.
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
4 /5
I have not used it that much but it appears to be doing what it is supposed to do, very good value for the price. very good service, delivered on time, well packaged.
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Good product at a very reasonable price, the lack of any instructions was not a problem as it soon became clear what the various LEDs indicated. The torchlight function is a valuable bonus. Two items ordered in one transaction. One was freepost and was delivered pomptly, in good condition. The other took several days and cost £2.50 P & P (to my surprise it was sent from Holland), but arrived safely.
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Our customer rated the product 5 stars Problem with one item. Sorted out very swiftly.
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
A very useful power backup or power extender for any devices with USB sockets, such as phones, tablets or Satnavs. Sumvision is charged using supplied lead which converts standard USB to mini oval shaped USB (Used on phones and tablets. Power output is on 2 standard USB sockets. My Garmin Satnav socket is a square mini USB, but I had a lead from My SONY Camcorder which was the same type. Sumvision also has a built in torch A large range of products at superb prices. Quick delivery. I use them whenever I need DVD-R, CD-R, batteries and other PC products
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Does what it says on box,glad I purchased this quick delivery as usual
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
This is really an excellent piece of kit . So well made and useful. Great for taking camping to keep my phone and other gadgets charged. As usual 7dayshop came up with just the products I needed at excellent prices. Delivery was swift and the items more than exceeded expectations.
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Foes the job portable charging while on my motorbike Simple staightforward site good prices
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
3 /5
i found that the output being on the side meant I couldn't charge my phone whilst having in my inside jacket pocket. Then it stopped working after 2 days. 7 day were brilliant , I returned it free post and received a refund. Service great, this product not so. Also you have to push the button to start charging. other models recognise a device has been plugged in and charge automatically. Please use this space to write your review... quick
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Very useful for keeping all of our devices charged when on the road. Have used it for phone, tablet, and to keep the satnav going in a hire car with a faulty accessory socket. Great for emergencies and will charge a number of devices on one charge. A little heavy for carrying in a pocket but fine in a bag or backpack. Items were delivered very promptly and updates about the order were sent when it was dispatched with tracking info. Service has always been excellent when I have ordered from them.
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Our customer rated the product 5 stars Even swifter than usual. Great Service!!!
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
4 /5
High capacity block, charged my phone 3 to 4 time. Take a while to charge. I've used them many times, good range and prices
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Extremely good value and a decent capacity perfect for my iPhone and iPad. As always 7dayshop offer great prices and efficient after sales service.
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
4 /5
Our customer rated the product 4 stars 
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
So far so good. It's charged my phone four times and it still has plenty of power let for more charges according to the LEDs. Communications good and my order arrived on time.
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Very powerful charger. Exceeded my expectations. For the price beats much more expensive competition hands down. Provides just a shade short of 5 (FIVE!) charges to my iPhone5. Shame there's no instructions, but not a serious drawback as it's just a charger! Very efficient - easy to make orders and easy to deal with. Orders arrive promptly. Have used 7DS for years - one of the easiest suppliers / websites to use - I regularly promote them to others. Also v. cheap both for products and postage.
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
4 /5
Firstly, it does what it is supposed to do - it charged my tablet with no problems. But I wanted to power an Arduino-based data logger which doesn't draw much current. I experimented and found that there is a minimum current of 100 to 125mA (on either output), otherwise the output will shut down within about 30 seconds. The blue LEDs turn off before this point, so they do not indicate the output is on. I got around this feature by dumping 120mA through some resistors and an LED, but that means I waste a lot of the 10.4Ah capacity! I had to choose courier delivery as the product had a lithium battery which can not be posted. I found DPD could deliver to a local shop which is open until 6pm, so I didn't have to bother my neighbours to take the parcel for me. I have used 7DayShop fo
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Our customer rated the product 5 stars Fast
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
It appears to work well despite a total lack of any manual. While a lot can be deduced from the specifications there is no way of telling if it can manage to deliver 2.1A simultaneously from both USB sockets. It certainly charges my Samsung Note 4 as fast as a 2.1 A mains charger which is very good. However it seems to take a good deal longer to recharge after filling my Note 4 Delivered as promised well packed as I expected from many orders from 7dayshop.
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
4 /5
BUT STILL NO INSTRUCTION MANUAL OR SAFETY INSTRUCTIONS Quick delivery and time slots kept to. Poor on replying to my request for an instruction safety manual for the product.
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
real beauty! works really well holds massive charge,(takes a little while to charge but well worth it). as usual with these things the more that goes in the more you get out. I buy quite a lot from 7dayshop and they never fail to impress, always quick delivery, if any problems they are very quick to respond, can't fault them, brilliant.
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Bought one for my son to use with his I Phone and another as a gift. He used it on a trip to London and was very pleased with it. Not too bulky and charge lasted for the trip and beyond. Fast efficient service yet again. I dint think twice about purchasing from this company and would highly recommend them.
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
This was a gift but I have been told that it has worked fine. This was his comment to me: . "It come with no instructions but an easy guess on how to charge it in the first place and then once charged, I plugged in my iPhone and as nothing happened, I had a good look and saw an unobtrusive button! All worked fine then!" 
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
This is an excellent power bank and actually has the capacity stated in the specs unlike so many others! Fantastic value for money. 
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Excellent product and service 
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Excellent powerbank, takes a while to charge but remains charged for ages. Built well and easy to use, a bit heavy but given how much power it can provide this is a small price to pay. 
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Given as a present so no feedback yet but great price for a 10k mah device 
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
arrived quickly, seems to work well. 
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
High power for a low price. Too many power banks only have around 2000 - 5000mah, so this product is a no brainer. Very happy with it. Plus the built-in torch is a nice addition.  
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
4 /5
product Okay but no instructions included in Packaging, but works just right.  
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Brilliant and powerful 
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Nothing beats this on a price per power basis. I use it extensively with my mobile phone and tablet and it gives my trouble free charging wherever I am. Having two outputs is an added bonus. 
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Good product,use it to charge on the go. 
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Brilliant, very useful for traveling.Long walks etc. 
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
A power back up , does what it is supposed too 
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Good value for the money.  
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
4 /5
No instructions but not difficult to work out. Already came in very useful.  
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
4 /5
So far so good. 2 USBs - very handy. Bigger than a previous bank I've used, but faster, so a good compromise. 
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
My son is very pleased with this power bank. He uses it to charge his ipod 5th gen and his Windows phone and it does the job really well. 
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
I was at a family function and my phone and kindle died without having the charger with me, luckily my brother had a power bank I was very impressed and had to buy one for myself. So far the charge has done my phone and kindle once it still has charge left in it which you can see via led lights. Its not to bulky and comes with it own usb cable an excellent buy at the price. 
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
TO CHARGE PHONES OR AT TIMES CAMERA  
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Excellent product 5* 
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Does exactly what was expected of it. Good build quality and performance so far is good. 
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
excellent, I can charge my mobile phone Sony Z1 5 times before I need to recharge. The addition of the LED is very useful for the wife whom is disabled. This Power bank means she never has to plug her phone into a wall charger, she can always have her phone with her even when on charge. Which makes it so useful whenever she has to go in hospital, meaning she always has a charger with her. 
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
This was purchased for my daughter who uses it as a backup power supply when using her smartphone as a GPS while she is geocaching. 
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Good choice for power-hungry devices. 2A output allows fast charging. Led mini torch is a nice touch. A number of colleagues have also purchased after seeing it. 
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
I use this item to charge my iPhone and iPad when it is not convenient to use the mains. I have yet to use it on my Macbook. Quality seems fine, but I have not had it long. Next week I shall be a few days away from mains electricity so it will get a good work . out. For the money, everyone should have one of these.  
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
4 /5
Quick delivery. Works OK. User instructions would help. 
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Charges iPhone or ipad . No problem  
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Great power bank at a good price would recommend 
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Good power reserve, excellent price 
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
3 /5
This didn't charge my Nokia phones or my Sony e-reader so I returned it. 
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Excellent capacity and works as expected. Slightly long charging time, but that is probably due to high capacity. Do not know yet how long it will last working correctly, but the beginning of our 'relationship' is great. 
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
4 /5
Useful standby power supply.  
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
4 /5
Used for charging smartphone and tablet. I get 4 charges of the phone or 3 of tablet, to a charge. No instructions, so not for those who can't work it out, and that's why I've withheld a star. All in all a great value product. 
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
4 /5
Bought this for the high capacity it has. So far so good. Nice design, slightly larger than i eould have liked but very easy to carry around in my rucksack. A little too big for a smsller bag, but a small compromise for all that back up power. 
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Works well thus far. 
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
4 /5
Absolutely no instructions. No legible label on the USB ports - they are different !!. Read up elsewhere and if you work out how best to use it this will be a useful product. 
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
I charge my phone tablet and run my tomtom as i have a fault with the cigar lighter . recommended it to my nephew as he works on site and stays in his camper van saves him going home  
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Good battery back up , although a bit on the big size 
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
4 /5
Only used it once as a test so far but it charged my tablet without any problem and still seemed to have lots of charge left 
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Not yet used. 
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Whoope do! 
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Great. I've used power banks before but the capacity for the size of this one is outstanding. I can charge my Samsung galaxy phone at least 5 times from completely flat. Some instructions might be useful for the uninitiated. 
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Good portable charger has worked well so far  
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Holds lot of charge for size 
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
4 /5
Build quality seemed ok..given as gift so full product review not possible.. 
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
3 /5
Just a pen drive so does what it says on the tin.  
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
4 /5
Product works fine but it took some time to figure out how to use it correctly as there was no instructions or manual provided. 
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
4 /5
I like this a lot and great price 
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
There are 2 USB sockets, one is a 2Amp output (nearest the Micro USB charging port) and the other is 1Amp output, as there are no instructions supplied with this item to tell you which one is which. I found that there is faint markings beside the USB sockets stating 2Amp & 1Amp not very easy to see if you eye site is fading like mine, sorry to say. When you have that sorted out. You have to press the small button beside the USB ports to start the charging process; otherwise it will not charge your device. Press and hold this button to turn the torch and to turn it off.  
Sumvision 2 Port USB Power Bank 10,000mah Fast Portable External Battery Power Pack for Apple Samsung etc.
5 /5
Really useful - I may get another one 

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