RV Voltages too high while charging
I have a problem and have been wrapping my head around this for a few days. I have four 100w Solar panels, and a Morningstar RJ-45 programmable charge controller wired to batteries. I have Four In...
Forum Discussion
You did not state your outside temperatures. If you have a temperature sensor attached to your battery bank for your solar charger ( and you should ) then when it gets cold the charge voltage needs to go up. Inverse for when it gets hot. My BlueSky charge controller runs the absorb voltage up to about 15.1 on temps below 40ish... and this is normal. The controller was set for 14.8 but can exceed that when its cold. You could set your charge controller to what ever you feel comfortable with, but according to the manufacturers 14.8 setting is the best setting for good wet cell health.
