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...
DrewE's avatar
DrewE
Explorer II
Jul 02, 2016
It sounds to me like the battery is toast, or very nearly toast. 100 Wh is not much. The battery in my laptop (well, technically it's my employer's laptop) is rated at 94 Wh. The one in my cordless drill right now is rated for 72 Wh. Admittedly, in both cases, they're on the larger side of batteries for those applications, but still....

Watts are computed by multiplying volts time amps. Watt-hours are computed by multiplying volts times amp-hours.

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