| | |  | iPhone Accessories | Home » » T-Mobile Portable Back Up Battery Charger with USB Cable | | | | | | | Description: | | Portable back-up battery charger with USB cable Built-in battery tester with level LED indicator. Compact size for convenient storage and travel. High-capacity Li-Ion battery doubles handset use. Includes USB-A-to-USB-Mini B cable. | | | Features: | |
• Portable back-up battery charger with USB cable
• Built-in battery tester with level LED indicator
• Compact size for convenient storage and travel
• High-capacity Li-Ion battery doubles handset use
• Includes USB-A-to-USB-Mini B cable
• Charge Any Dead Cell Phone Battery With This Universal Battery Booster (Devices with USB Cable Only)
| | | Product Details: | | | Product Length:
| 1.2 inches | | Product Width:
| 2.9 inches | | Product Height:
| 5.2 inches | | Product Weight:
| 0.23 pounds | | Package Length:
| 3.2 inches | | Package Width:
| 3.2 inches | | Package Height:
| 1.5 inches | | Package Weight:
| 0.25 pounds | | Average Customer Rating:
|  based on 36 reviews |
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Most "cell phone accessories" shipped worldwide. All "cell phones" ship from wholesale warehouse in USA.
| | Customer Reviews: | |
Average Customer Review:
 ( 36 customer reviews )
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Most Helpful Customer Reviews
12 of 12 found the following review helpful:
 Very nice!Nov 30, 2011
By Enchanted Cheese
This is an excellent device, it takes about 2~4 hours to charge, and it charged my Samsung Captivate from a dead 0% up to 85%, which is pretty good for such a cheap and compact backup battery. On the quick starter guide it comes with, it says that its capacity is 1700 mAh, in case if anybody is wondering. Also, its not just compatible with T-Mobile devices, it works with pretty much any device that has the ability to be charged via a USB cable (iPods, iPhones, PSPs, etc). I would recommend it for people for those who have battery munching phones, or those who need a bit more preparation for the winter, as power outages may be frequent.
Another Edit (3/23/12)
The backup battery still works fine, the device has a glossy finish (Or at least the one I recieved, other customers seem to recieve a different model), and it will get large amount of scratches. Not that it matters, anyways. The battery doesn't seem to hold as much as it used to, I'd say it can only hold 3/4 of what it used to. Still going strong, got a new phone, it charged my Xperia Play from a dead 0% up to a 47%. Now, this is because of how the Xperia Play has a beefy battery, which makes it acceptable. I'd say this would still be useful regardless.
Also, the battery level indicator is not accurate until it reaches below 25% of what it could carry.
7 of 7 found the following review helpful:
Great portable power!!!Jul 31, 2011
By Ray Hammond
it looks great. its small. it shipped fast! i works with my tmobile phones and even my white apple iphone 4. i was shocked because i bought a couple portable chargers and they wouldnt charge my white iphone 4. but this one does. it even comes with a case. it a great buy for the price! i would recommend!
pros:
small
charges my white iphone 4
ships fast
comes with tracking
cons:
NONE
4 of 4 found the following review helpful:
Not just T-Mobile!Nov 02, 2011
By dogzdaddy
Seems like this little guy should be more famous. Its T-Mobile moniker hides the fact that it is a compact and robust back up power supply for a lot of small battery-powered devices such as iPhones, iPods...well, just about anything that is USB compatible. Simply charge up the back up battery pack (via USB) and you have over 1700 mAhr of charge available. It's lightweight and easy to stash away in a backpack or purse, ready to be used on a rainy day (or anytime your device's batteries decide to go on strike). It has a cool little LED charge level indicator so you can stay on top of its charge state. But if you don't use it, the thing seems to hold its charge for a very long time. I haven't charged it in weeks and weeks and it still shows 100%.
Great device, and it arrived quickly and in excellent condition. Can't beat the price - don't leave home without one!
2 of 2 found the following review helpful:
Great backup power for smartphones!Jul 16, 2011
By Relentlessly Geeky
The same day I received these (I ordered 2) we had a massive storm which knocked out power to almost a million customers in the Chicago area. These backup chargers were perfect. I was able to almost fully recharge my T-mobile MyTouch 3G with one while I was actively surfing the web, and my children were able to recharge both of their phones (LG 900) from the other one. They took less than an hour to charge back up when we were able to get to an outlet. I used a 4-usb port charger to charge these up and the kids' phones all at the same time.
1 of 1 found the following review helpful:
 Could Be BetterMar 10, 2012
By iSpeakTheTruth
The product does what its supposed to do. However it takes several hours to charge it, it can only charge one item at a time, and the battery of the device only lasts for about an hr. which only gave me 35-40% on my battery. I just expected a lot more. If you dont use your phone much this might be a good product for you. But for me is wasnt.
See all 36 customer reviews on Amazon.com
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