PowerFilm Solar Inc

Do I need to use a charge controller when charging my battery with a Rollable Solar Panel?

If your battery capacity (Ah) divided by 100 is less than or equal to the panel current (assuming that the voltages are matched) you do not need to use a charge controller in your setup. If however, the battery capacity divided by 100 is greater than the panel current. Make sure to use a charge controller to ensure safe charging.

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