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Tango Water Powered Calculator



The Water Powered Calculator is an environmentally friendly way of crunching numbers. By refilling w
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Tango Water Powered Calculator
The Water Powered Calculator is an environmentally friendly way of crunching numbers. By refilling when the water evaporates, youll never need to buy batteries again. Technical specifications: The battery concept is simulated by two electrodes with specifically formulated alloys, one positive one negative. As soon as water comes in contact with with both electrodes, an electrochemical reaction takes place, producing energy. The system has a minimum continuous life of 2 years.

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