Trailer battery charging while towing
Probably a dumb question but how long would it take to charge a two-battery system while going down the road between campgrounds? I know it depends on how charged the batteries are to begin with. Wo...
Forum Discussion
Harvey51 wrote:
We had a new to us motorhome and it seemed like the batteries fully recharged from an hour or two of driving because the voltage went up to 12.6 a couple of hours after charging. We kept that up until the batteries no longer ran the furnace in the morning and had to be replaced.
Yes, it might "seem" like they are fully recharged after a few hours. But this is an illusion. Voltage reads higher for several hours after charging. Let it rest overnight (or better yet, for 24 hours) and then measure voltage - it will be way below 12.6, and will drop instantly as soon as you apply any load.
