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Fortkentdad's avatar
Fortkentdad
Explorer
Jul 20, 2014

Two Similar 12V battery in parallel and other questions

Well I just bought a second battery for my RV. My other battery is only a couple of months old so both are new this year. The one battery didn't make it through an unplugged camping weekend so we de...
NinerBikes's avatar
NinerBikes
Explorer
Jul 26, 2014
18 to 24 amp hours parasitic drain, over 24 hour period, just having the battery hooked to the camper at the same time as while charging. 80 watts might get you 4.5 amp hours, times maybe 6 or 7 hours, maybe 8? Do the math. If all you want to do is recharge, disconnect the battery from the trailer while charging, you'll get more into the battery.

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