It's not the most environmentally-conscious gadget we've come across, but it's so damn useful and cute that we'll let it slide. This bright turquoise Emergency Phone Charger ($13) is powered by a single AA battery. Just plug it into your phone, blackberry, or iPhone and steal an extra two hours of talk time. Also works with your iPod, so you'll never be music-less in a jam—traffic, or otherwise.
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