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Solar cells Answered

Can I make an effective solar pannel, that can charge a twelve volt battery, with three six by six solar cells that are 3.73 wats each and .52 volts each? Or do i have to exceed 12 volts in order to charge the battery?

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Re-designBest Answer (author)2009-11-24

You do have to exceed the voltage you are trying to charge.  You need about 13.5 or 14 volts to reliabily charge 12 volts.

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