Geek Thoughts: brother can you spare $0.0036?


Tough economic times? Take 1.2 volt, 2.5 Amp/hr NiMH batteries (technically “cells”). Call it 3 W/hrs of energy each. The going electricity rate here is about $0.15/KW-hr. Thus fully charging four batteries with a 50% efficient charger costs approximately $0.0036.

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