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:Because the meter is not sophisticated enough to know the difference. Good is based on a charging voltage and is not reading the true state of charge. Once the surface charge wears off in 20 minutes then you are getting a better reading.
How can a battery go from good to fair in a matter of 20 minutes? Something isn't right.
