LithiumCard wallet battery with built-in lightning cord or micro USB cable
by Boing Boing's Store from on (#HG61)
The LithiumCard Wallet Battery ($29.99) is an engineering marvel, packing 1200mAh in a package no thicker than 5 credit cards. Beautifully crafted from a luxurious billet aluminum housing, it charges devices at up to a lightning-fast 1% of battery life per minute.
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