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What kind of solar panel Do I need to charge a 12v battery?

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What kind of solar panel Do I need to charge a 12v battery?

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A 12V battery needs at least 13.6 volts to charge, therefore under worst case conditions a solar panel needs to output at least 13.6 volts. This means that in perfect conditions a 12V solar panel may output around 17V or more.

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