Forum Discussion

Reflex439's avatar
Reflex439
Explorer
Jul 01, 2016

Is 100Wh from a standard Group24 battery reasonable?

I don’t know the condition or actual specs on the battery, but its a used battery in a RV I purchased used. Here is how it is marked; M24-1 starting marine battery Marine cranking 625 Cold cran...
SkiSmuggs's avatar
SkiSmuggs
Explorer
Jul 02, 2016
Grp 24 batteries are the cheapest and that is why dealers install them. A grp 24 has 75-80AH, a grp 27 has 90-100 although I had one from Costco rated to 110 amp hours. Your battery is not up to the job and measurements should show that a 27 will fit in its place. That Costco battery got me 3 days of dry camping with minimal lights and furnace.

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