Two brand new 12v batteries in parallel. The meter on my leveling system shows 12.1 and my handheld tester shows 11.8. Should there be this difference? Have been plugged into 50amp shore power for th...
It is possible one of the meters is off calibration. But I believe 13.6 is correct with no load. I would bring them back where you purchased and have them check with their meter and do a cell check.