boondocking, need help asap....
Just put a new controller in for my 55w solar panel. It charges batts (2 12v) to full charge, but once the sun starts to go down the batts start to discharge and the controller shows red by morning. W...
Forum Discussion
campermama wrote:Get out your digital voltmeter (I know you have one) to take readings. We don't care what the controller says.
What would the test be disconnecting the controller? What would I look for?
When the controller (and you) think the batteries are charged, disconnect every wire from them, including the interconnects. Then take voltage readings every 10 minutes or so for about one hour on each battery separately.
Tell us what that says.
