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  • TeckNet POWER BANK iEP387 7000mAh Lithium Polymer USB External Battery Backup Pack, Mobile Phone Power Pack, High Capacity Portable Battery Charger (Dual 5V 3.1A USB Output) for Apple iPhone 5, iPad mini 2/1, iPad 5/4 (Lightning Cable not Provided), iPhone 4S, iPad 3/2/1; Samsung Galaxy S4, S3, S2, Galaxy Ace, Galaxy Note 3/2; HTC One, Sensation, Desire C S X, Wildfire S; Google Nexus 7, Nexus 10; Nokia Lumia 920 800 900 N8; Motorola Razr; LG Optimus; Blackberry Z10; Sony Xperia Z - White
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TeckNet POWER BANK iEP387 7000mAh Lithium Polymer USB External Battery Backup Pack, Mobile Phone Power Pack, High Capacity Portable Battery Charger (Dual 5V 3.1A USB Output) for Apple iPhone 5, iPad mini 2/1, iPad 5/4 (Lightning Cable not Provided), iPhone 4S, iPad 3/2/1; Samsung Galaxy S4, S3, S2, Galaxy Ace, Galaxy Note 3/2; HTC One, Sensation, Desire C S X, Wildfire S; Google Nexus 7, Nexus 10; Nokia Lumia 920 800 900 N8; Motorola Razr; LG Optimus; Blackberry Z10; Sony Xperia Z - White

by TeckNet
805 customer reviews

Price: £14.99 & FREE Delivery in the UK on orders over £20. Details
In stock.
Sold by TECKNET and Fulfilled by Amazon in certified Frustration-Free Packaging. Gift-wrap available.
7,000 mAH White
  • 86% charging efficiency : Energy efficiency rate 10% above other external batteries gives you an additional full charge for your smartphone. Capacity: 7000mAh: Supply about 360% of iPhone 4S, 250% Samsung S3 battery life, 250% of Google nexus 4 battery life
  • 2 USB ports provide 3.1A output current for the immediate rapid Charging, Can charge two devices at the same time (Only one USB Charging cable included). USB 1 Output: 5V 1A, USB 2 Output: 5V 2.1A
  • Battery Type: Li-polymer battery; 4 Integrated LED Power status indicator, Auto power-off no energy lose when not in use
  • With built-in safety circuit and heat-resistant design, Size: 112 x 73 x 17 mm, Weight: 185g
  • No AC Charger is included, but TeckNet iEP387 is compatible with original iPhone AC charger or Other 5V 500ma-1A USB Charger
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£14.99 & FREE Delivery in the UK on orders over £20. Details In stock. Sold by TECKNET and Fulfilled by Amazon in certified Frustration-Free Packaging. Gift-wrap available.

Frequently Bought Together

TeckNet POWER BANK iEP387 7000mAh Lithium Polymer USB External Battery Backup Pack, Mobile Phone Power Pack, High Capacity Portable Battery Charger (Dual 5V 3.1A USB Output) for Apple iPhone 5, iPad mini 2/1, iPad 5/4 (Lightning Cable not Provided), iPhone 4S, iPad 3/2/1; Samsung Galaxy S4, S3, S2, Galaxy Ace, Galaxy Note 3/2; HTC One, Sensation, Desire C S X, Wildfire S; Google Nexus 7, Nexus 10; Nokia Lumia 920 800 900 N8; Motorola Razr; LG Optimus; Blackberry Z10; Sony Xperia Z - White + 10 in 1 Universal USB Charger Cable For iPod / iPhone / PSP / Camera / Nokia / HTC / LG / Samsung / BlackBerry
Price For Both: £16.12

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Product Information

Size: 7,000 mAH White
Technical Details
BrandTeckNet
Item Weight186 g
Product Dimensions11.2 x 7.3 x 1.7 cm
Item model numberiEP387
ColorWhite
Voltage5 volts
Wattage15.50
Power SourceDC
Battery Charge Cycles1000.00
Average Battery Life (in hours)20000 hours
Lithium Battery Energy Content35 watt_hours
Lithium Battery Packagingbatteries_contained_in_equipment
Lithium Battery Voltage3.70 volts
  
Additional Information
ASINB005IHDVQ0
Best Sellers Rank
Shipping Weight227 g
Date First Available30 Nov. 2006
  
Warranty & Support
Warranty, Parts: Replacement parts provided free the first and second year

Warranty, Labor: All labor cost covered for 18 Monthes Years from the date of purchase.
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Product Description

Size Name: 7,000 mAH White

About 18 month TeckNet warranty:
TeckNet? is a UK based company specialising in TeckNet branded consumer electronics.In the unlikely event that anything should go wrong with your TeckNet product, we provide a UK based warranty.You have the peace of mind that there's no need to deal with messy non-UK company warranties that require product returns to Asia

Key Features:
- 86% charging efficiency : Energy efficiency rate 10-20% above other batteries
- Special circuits built for Apple, Android and Samsung Tablets,let you charge your phones and Tablets simultaneously at full speed
- Dual 2.1A/1A (Total 3.1A) output
- Li-Polymer Battery Cell: After 6 months, still over 70% of total capacity
- Turns off automatically
- 4 LED Power Level Indicator
- Security: Integrated fuses and thermal protection design
- 7000 mAH Capacity

Compatibility:
Please Note TeckNet Power Bank will not charge devices with input currents lower than 50mAh, including iPod Nano and some Bluetooth and GPS devices

Apple:iPhone 5 4s 4 3g, iPad 4 3 2 1, iPad Mini (Use with your original Apple Lightning cable), iPod Touch(all) and many of other Apple Products
Samsung:Samsung Galaxy S4 S3, Galaxy Tab 2 & 3, Galaxy Note 2,Nexus,Ace, Note¡­.
Google: Nexus 7,Nexus 10¡­
HTC:HTC One,S,V,Sensation XE XL,First, ThunderBolt,EVO 4G, Inspire,Vivid,Wildfire,Desire,Windows Phone 8X¡­
Nokia:Lumia 920,720,620,520¡­
Sony:Sony Xperia J,ony Xperia Z,Sony Xperia P,X1,X10,X8,Arc,Neo¡­
Blackberry:Blackberry Z10 Q10,Bold,Tour,Touch,Storm¡­
Motorola:Motorala Droid Razr Maxx Bionic,Triumph,Atrix¡­
LG:Nexus 4,Encore,Optimus,Pro,L9, Motion 4G¡­


Customer Questions & Answers

Customer Reviews

4.7 out of 5 stars

Most Helpful Customer Reviews

19 of 19 people found the following review helpful By silkstone on 9 Sept. 2011
Size: 7,000 mAH Black Verified Purchase
Bought this to go with an iPad 2, but I've also used it with an iPhone. The battery pack is a similar size to a portable hard drive, and fits well (along with cable) in one of the protective cases available on Amazon and elsewhere.

It does charge the iPad, but quite slowly as both outlets are only 5W against 10W provided by the mains charger. When the iPad is in use, the iEP380-II tends to prevent further discharge of the internal battery, but doesn't increase the charge level much if at all. The iEP380-II itself also takes several hours to recharge, using the iPad mains power supply.

Having said all that, it is exactly what I needed! It will keep pace with normal usage of the iPad for several hours, extending the aggregate battery life, and can be left overnight to charge up again. It is also small and light enough to carry around in a pocket.

If you need more rapid charging, look elsewhere at 10W chargers. However, if you just need something to augment the internal iPad battery, this is a neat and effective solution.
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159 of 171 people found the following review helpful By Kindle Customer on 1 Sept. 2011
Size: 7,000 mAH Black
Length: 4:41 Mins
Hi there Just a quick demonstration & Review video for your kind attention. Many Thanks for watching.
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9 of 10 people found the following review helpful By Daniel Smedegaard Buus on 2 Feb. 2012
Size: 7,000 mAH Black Verified Purchase
I bought this just in time to have it delivered before I went to Japan for a month. It's the best purchase I've made in a very long time.

I'm using my Samsung Galaxy S2 smartphone for capturing video, using Google Maps for directions, listening to music, and tracking my every move with Google My Tracks (excellent for later geotagging of picutres taken with my SLR camera). Without this thing, my battery would be dead in about four hours, with it I'm completely set and safe for the day. It's pretty lightweight (already carrying a camera, extra lenses and a packed lunch, so this thing is like wearing an extra belt or something like that).

Whenever my phone starts complaining about battery needing recharging, I just yank out this pack from my backpack, connect the USB cable, and put it in my other pocket. The USB cable then becomes like a key chain hanging from my hip.

Before I got this, I thought, "yeah, this'll be good for Roskilde Festival," but having had it with me to Japan, I cannot imagine how I'd ever live without it. Having the freedom to just use Google Maps and GPS all day has taken me places I'd *NEVER* have gone had I not had a "safe way out" in the shape of a smartphone that will not go dead, ever. In retrospect, I'd pay 10 times the pricetag on this thing to enjoy this kind of travelling freedom.

Best. Buy. Ever!

UPDATE: I still think this is an amazing piece of hardware, but I have to say that the longevity of the battery pack does leave something to be desired. Two years in and having been mostly shelved, it's at perhaps a third of its original capacity.
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4 of 4 people found the following review helpful By JACQUI PRINCE on 2 July 2013
Size: 7,000 mAH White Verified Purchase
This item was extremely useful on a 440 mile bike ride It charged my iPhone and was able to use the light function over the 4 days camping and cycling. Even at home it is useful , well worth the buy even if just as an emergency back in the car, train etc.
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3 of 3 people found the following review helpful By S.G. on 30 Jan. 2013
Size: 7,000 mAH Black Verified Purchase
Great item, does the job for a much lower price compared to other battery packs! But keep two things in mind:

* It is definitely not heavy duty as stated in the item name! It may look as it has an aluminium frame, but it is 100% plastic.
* It doesn't have an AC adapter, so you have to charge it from your computer OR connect the USB to an iPad/iPhone-like power adapter.
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1 of 1 people found the following review helpful By Amazon Customer on 28 Nov. 2011
Size: 7,000 mAH Black Verified Purchase
At last an iPhone charger that works for several total recharges. I can charge it as i am traveling on the tube, bus, train.

An update on battery pack after several months.

This had to be one of my most used products i ever bought from Amazon. Because of the iPhone 3GS, running down it's own battery i practically used this battery pack every day. Never had a problem charging my iPhone.

A brilliant product, it could recharge an iPhone 3GS several times, often from about 10% battery. Very useful on long commutes, or bike rides etc. It makes the difference between thinking about how to get the next charge for the iPhone, to just using it as normal. The auto cut off when the iPhone battery was at 100% charge, helps a lot. The battery pack, allows me keep the iPhone 3GS, and ignore the iPhone 4(x) while saving for the next iPhone 5? to be released. What a money saver.

As for Technet the company a "brilliant company", would happily do business with them again. Had a small query regarding the battery pack, and was very presently surprised at the high quality customer service. Perfect, Thanks TechNet. On the basis of their customer service, bought a larger capacity battery pack. See product link.

TeckNet® iEP392 Dual-Port 12000mAh External Power Bank For Apple iPad 2, iPad, iPhone 4G 4GS, iPhone 3G 3GS, iPod Touch (1G 2G 3G), Motorola Droid X Eris, HTC EVO Android Phones, Blackberry (Curve, tour, storm, bold)- Black
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1 of 1 people found the following review helpful By Mat on 30 Oct. 2011
Size: 7,000 mAH Black
Bought this to take with me on an 11 hr flight as I knew my Samsung Galaxy Tablet's battery would not last the entire flight (and it was cheaper to buy a battery than it was to upgrade to First class where they have power sockets in the chair!). I couldn't charge my tablet using the TeckNet at first and assumed it was due to the Samsung charger supplying 2A, whereas the USB socket on the TechNet are only rated at 1A. I tried a Nexons USB 2.0 Cable - Dual Power, 2 x Type A to Mini-B 5 Pin connected to my original Samsung USB cable with a USB 2.0 Type A to Mini 5Pin B Female Converter Adaptor - my intention being to supply the two TeckNet 1A supplies via the single USB socket on my tablet. This doesnt work.
I then tried a standard USB mini cable like this Essex Electronics 1m USB 2.0 A - 5 Pin Mini B Camera/MP3 Cable with FREE DELIVERY!!, and using the supplied Samsung to USB mini adapter that comes with the TechNet, I found I was able to charge the tablet successfully. It then worked well, in fact I could charge my Tablet and mobile at the same time.

I've since found out that there are two types of USB charging cables and sockets. Some cables only use two pins for power only, whilst others use four with two for data and two for power. This is known as DCP. It would appear that TechNet have cheated and rather than design the battery to be DCP compatible, have hoped that users use cables that are DCP compatible, ie that have the two data pins shorted together.
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