I have seen several recharging on the go options for iPhones and iPods, and of course their respective versions of media players and cell phones, but they all require you to charge them ahead of time, and it simply acts as a spare battery. That’s not a bad deal, but this one works a bit differently. Not only does it work as a spare battery, but it can also charge your device, and the energy can be purchased at any convenience store.
Using 3 standard AA batteries, TuneJuice actually recharges the battery in your rechargeable USB device. You will never have to cut short a conversation or a song. Just plug in your device and recharge your battery on the spot.
TuneJuice is a must-have for air travel, camping, road trips or anywhere you could face the ugly prospect of a dead battery. Use the included dock cable to charge iPods or iPhones, or plug your own USB device’s cable into the Type A USB connector.
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Charges USB devices through standard Type A USB port
Charges iPhone or dock connector iPod models with included cable
Uses 3 AA batteries (included)
Delivers 5 watts (1 amp @ 5 volts)
Up to 24 more hours of music, 6 hours of video, 2 hours of talk time, 1.5 hours of web access
Apple iPhone 3G, 3GS, 4
Apple iPod (3G, 4G, 5G)
Apple iPod classic
Apple iPod mini
Apple iPod nano (1G, 2G, 3G, 4G, 5G, 6G)
Apple iPod touch (1G, 2G, 3G, 4G)