Forum Discussion
valhalla360
Aug 26, 2021Navigator
theoldwizard1 wrote:
If you are really want to recharge a battery bank, buy a DC-DC charger and install it near the battery bank. It may only output 20A-40A but over 6-10 hours of driving that is a lot.
IMHO, dual alternators are a waste of money because you do not have the proper voltage regulator/charge controller and wiring to send that power to your battery bank.
Agreed, simpler, cheaper and more flexible to just pick up a quiet 2000w inverter-generator and plug the RV in for an hour or two and let the built in charger take care of business.
If you wind up staying someplace for a week or more, it's easy enough to run the generator for an hour or two during the day to keep the batteries going. (if you want to run the air/con, move up to at least a 3000w unit so you don't have to worry about it starting the compressor....but then you aren't focusing so much on energy )conservation).
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