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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 01, 2016
Are you sure you Don't you mean Amp Hrs ?

1 amp at 12v would be 12 amp hrs
TV using 8 amps for two hrs would be 16 amp hrs which at 12v is 192 watt hours

100 watt hrs is next to nothing and the batteries should be reading at least 12.6

100 amp hrs is over 1000 watt hrs would leave you with a battery needing recharge

If you installed an amp meter, that reading is 100 Amp Hours

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