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 02, 2016
Reflex
It seems you wired it correctly
But a 19 inch TV that only uses 12w, seems like a miracle to me
Although the fan power seems right
There are no stray negative wires connected on the wrong side of the shunt? The only thing on the negative battery post is the shunt?
ALL negative wires are connected on the output far side of the shunt?

Any negative wire connected at the post side instead of the far side will be bypassing the shunt and NOT give a reading on the meter

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