DanET1983

Adding, first paragraph typo, Tuesday night batteries were at 49 volts, certainly not 59 vokts!

Thanks for the quick replies! It does sound like this could be a bad battery or possible bad connection in the series (slowly checking...

We are off gird with solar and generator. We purchased the Growatt 5000 ES a few months ago, connected to 4 Renogy 200ah 12 volt...