Are my Batteries going bad?
My two 6V Batteries were installed in my DRV in early 2015 when new. They have no labeling to tell brand. I would guess they are 4 years from mfg date or even older now. Normally I can drive for ...
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Cummins12V98 wrote:12.9 plugged in seems low.
Just setting here plugged in I just checked the voltage at the digital meter, its 12.9. Turned off shore power and it was 12.3. Turned it back on and it was 12.5 and checked a couple minutes later it was 13.1. Even a few more minutes it's 13.7.
I am going to get a couple 6v Interstate batteries from Costco.
Heading out on a 5 hour trip next week I will report back how well the frig stayed cool!
Unplugged dropping to 12.3 seems bad unless a heavy load.
12.5/13.1/13.7 sounds like something started working again.
Does not seem consistent with the start at 12.9
Anyway connecting to the running truck should also pop the voltage up some.
Good chance the batteries are shot. The replacements should get you working again.
