Water Powered Calculator doesn’t need batteries

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Water Powered Calculator doesn’t need batteries

New Water Powered Calculator features an easy to read angled 12 digit display and bigger, easier to use buttons than our previous model. Just add water or any other electrolytic liquid into its fuel cell and the chemical reaction between its zinc anode and cathode produces an electrical current that will power this H2O Water Powered Calculator for a month or so before it needs another sip. Earth friendly design requires no batteries and auto shut-off prolongs life. (#9888) A ComputerGear exclusive. Item in stock unless noted above.

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