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1 bank connected to a NAPA 8301 deep cell 12V battery has been flashing green for over a week. I have 10' of 14 gauge wire between the battery and FirstPower Pro. The battery has 13.3 volts. The second bank is connected to another 8301 battery with 10' of 14 gauge wire between battery and FirsrPower Pro and the light is solid green. Is there a problem?
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