Hello I have a 4215BN, 4 - 6v gcart batteries and 3 - 270w 39v 15a solar panels 3p. A 2000w inverter with two 120v. 1 showing 100v the other 110v
The Charge controller shows 40v but never above 3amps, full dun shade, clouds... 3 panels in parallel should be close to 30amps.
The panels are...