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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...
MrWizard's avatar
MrWizard
Moderator
Nov 27, 2020
RJ
For load use you are correct
But not useful life/age
For aging gracefully with a longer lifetime, the thicker plates in the 6v batteries will last longer in terms of years of use

But as pointed out many times, 12v batteries will out preform 6v when powering heavy loads like a MW via inverter

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