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
The controller is not the likely suspect.
If your batteries are old they will self-discharge more rapidly. Also, 55w is not much, and it's not likely in my estimation your batteries are getting fully charged. A voltage reading is not a very good indication of a full charge.
As a test you can simply disconnect from the controller and see what happens.
If your batteries are old they will self-discharge more rapidly. Also, 55w is not much, and it's not likely in my estimation your batteries are getting fully charged. A voltage reading is not a very good indication of a full charge.
As a test you can simply disconnect from the controller and see what happens.
