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What's the best external battery for smartphones and other usb devices?

Mar 17, 2013 11:26 PM

looking to buy one because i hammer the battery on my iphone 4, there are so many to chose from, anyone have a recommendation?

brays3440 brays3440

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I bought this one - http://deals.woot.com/deals/details/d86ecf10-fd45-43cc-a18e-07f80ab5bcc0/impulse-10-000mah-external-cellphone-battery-charger#2

It works fine so far, but I haven't tested its limits yet. I bought it to use on a long flight, only to find out that I will have an A/C outlet in my seat anyway.

90mcg112 90mcg112
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@90mcg112: I was just going to link to the same one. Some folks on the Android forums have purchased it months ago and have been claiming 5+ full real-world charges from it.

firebirdude firebirdude
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If you really want to go crazy, Goal Zero (http://www.goalzero.com/) makes some solar powered kits that can recharge/power everything from a cell phone to a fridge. I have a few of their products and I am looking for justifications to buy more :-)

mml666 mml666

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