Storing energy for all your gadgets has never been easier with this handy wind-up rechargeable battery. All you do is crank it up for a few minutes and you’ll have plenty of power for your iPod, cellphone, etc. It provides 5 hour talk time, 2.5 hours for MP3 players, and 2 days stand-by for cellphones. The built-in voltage regulator gives you a constant 5V output protecting your electronics from power surges. USB gadgets can also charge on this battery. This battery is much like the energizer bunny, like someone with ADD. $40
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