Forum Discussion

profdant139's avatar
profdant139
Explorer II
Nov 25, 2020

Battery failure puzzle: voltage good, little power

I have (or had!) two five year old group 31 NAPA deep cycle marine batteries, rated at 110 amp/hours each. They were not hooked up in parallel or series -- I use one at a time, swapping them out as n...
RJsfishin's avatar
RJsfishin
Explorer
Nov 26, 2020
Exactly why I have a digital readout voltmeter mounted in the television panel, staring me in the face anytime I watching tv. This way I know what the voltage is under the load of the tv/inverter lights, water pump. That's when you learn that 11.9 volts will still go a long while.

About Technical Issues

Having RV issues? Connect with others who have been in your shoes.24,194 PostsLatest Activity: Jan 29, 2025