Do I need a larger solar panel?
I have a 20watt panel and a 8.5amp controller charging a deep cycle marine battery. For about 2 months worked fine. Now it doesn't charge past 11.5 volts. The output from the controller reads about 19 volts.
asked 4 months, 1 week ago
on NPower Solar Charge Controller - 127 1/2 Watts, 8 1/2 Amps
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