NoPoPo batteries can be charged with liquids including beer, apple juice, cola, saliva and urine. The magnesium carbon AA batteries come with a pipette for easy loading and will get you approximately 500 mAh, which is significantly shorter than conventional Alkaline batteries, which get between 1700 mAh and 3000 mAh.

Price: $15 [HimeyaShop via Technabob]

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