Forum Discussion

mleekamp's avatar
mleekamp
Explorer
Jul 25, 2013

Battery charges when plugged into shore power?

When my RV is plugged into 110v (30a) power, does the battery charge? Or, is the power from the battery "shut off" once connected to other power source? Always wondered this as without elec hookup, ...
RJsfishin's avatar
RJsfishin
Explorer
Jul 27, 2013
If you can't post the make model, hang a HH volt meter on the battery while its charging, and if you never see more than 13,6-8, you most likely have a single stage converter/charger, which does not charge very fast
And if you never see less than 13.6-8 when fully charged and no loads, then you positively have a single stage converter, which in warm weather can suck a battery dry in a month or 3.

A 3 stage will most times start charging at 14+ volts, and end up floating/ maintaining at 13.2-3

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