Solar Battery Charge Issue
Hello I have a 100W Renogy solar suitcase charging two AutoZone Duralast lead acid Marine deep cycle group 24 batteries. Batteries are 3 years old. Lately I have noticed the charging cycle time drasti...
Forum Discussion
KenS999 wrote:
Not sure where you came up with a depletion of 50% unless you are using it just as an example.
My bad. You mentioned 12.3V, this would be 60% SOC.
With 100W solar you only harvest 25-28 AH by the end of a good sunny day. For 135Ah bank this is 80% SOC or 12.5 morning voltage.
For equalizing you need full battery, so 12.5% in the morning won't cut it - you won't have any sun left by the time the battery is full. You're not getting equalizing unless your cycle is really shallow, with morning voltage above 12.5.
