Quote:
Originally Posted by icrude
So I recently bought my TM that came with 2 6 volt 225ah batteries. Who knows how old they are. I had them plugged in for at least a day. I would assume they charged up. We go dry camping and don’t use any power other than a light here and there. The fridge is on propane. The furnace does kick on every now and then at night. When I wake up the voltage is at 11.6. Now my basic question is, should 225ah batteries deplete that much over one night just because of the furnace, lp fridge, and a few lights? I know there is small draws here and there also, but 225ah batteries are pretty big, I could think maybe 75% charged in the morning, but down to 20%? That makes me think the batteries are bad.
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It’s important to know the age and how the batteries were treated before you bought the trailer.
3-5 years maximum life for lead acid batteries.
Honestly save yourself the trouble and start new either with lead acid or AGM.
AGM will cost twice as much but lasts twice as long.
Get new batteries you’ll rest easy knowing you have reliable, dependable power.