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...
MrWizard's avatar
MrWizard
Moderator
Jul 04, 2016
The shunt is not polarity sensitive, doesn't matter which end is connected to the battery
Try setting the meter at 200 amp
And see what the readings are
That should double the readings
And yes sometimes the meter might arrive miss labeled

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