Testing 6V Deep Cycle Batteries
I had my 6V batteries load tested at an auto parts store and they failed. They were tested while connected in series and so were tested as a 12V system. I took them back to Costco and they were replac...
Forum Discussion
All battery test start with the ASSUMPTION that the battery (or battery bank) is fully charged. It is worth the time and effort to check to voltage at the battery WHILE THE CHARGER IS OPERATING ! For a 12V lead acid battery, you need an absolute minimum of 13.4V to charge it. At such a low voltage it will take many hours to get a full charge.
