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epbigfoot's avatar
epbigfoot
Explorer
Jun 20, 2015

How to test camper is charging batteries on shore power

Probably answered a million times but had 185 RB 2012 Jayco out in the spring and everything OK. Would use small genset to charge when back in from fishing in afternoon. Brought home, went to get so...
kaydeejay's avatar
kaydeejay
Explorer
Jun 20, 2015
You have a VOM, so check the battery voltage when plugged in and again unplugged.
You should see 13.6-14V on charge and 12.6V for a fully charged battery that has been off charge for an hour or so.
If there is no difference or battery is dead, then it's time to trace back to and thru the CONVERTER.
Some have internal fuses that you may need to get at.

(BTW, an INVERTER is powered by 12V DC and "inverts" the DC to AC, then passes thru a transformer to produce 110V)

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