How to Increase Battery Capacity
After spending 10+ years studying RVs prior to buying one I’m amazed at what I still don’t know! Turns out the cure for that is this amazing forum. The latest issue I’m lost about is a LOT more ...
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You can get two decent (not top-of-the-line) flooded 6V golf cart batteries from e.g. Sam's Club or Costco for less than $200 total. That would probably give you two to three times the usable power as your existing battery, assuming you have or can make physical room to replace it with them. You generally ought to be able to power the fridge control board and water heater and water pump etc. for at least a few days without much trouble with them. As always, it's impossible to be very precise in these sorts of estimates without having a reasonably accurate idea of what your trailer's power consumption is.
If the fridge has a switch for climate control, make sure it's turned off. Some fridges have this "feature" without a switch; if that's the case, it would be worthwhile to disconnect it. (It's a little heating element around the door seals that prevents the formation of condensation there, at the expense of using a fair little bit of 12V power.)
If the fridge has a switch for climate control, make sure it's turned off. Some fridges have this "feature" without a switch; if that's the case, it would be worthwhile to disconnect it. (It's a little heating element around the door seals that prevents the formation of condensation there, at the expense of using a fair little bit of 12V power.)
