Forum Discussion
Jim
Jan 22, 2018Explorer
DrewE wrote:
If it's generally cold, you can safely charge the batteries fully through whatever means is convenient and disconnect them entirely and they will easily survive the winter without self-discharging overly much. If they are dead in the spring, they were already on their last legs.
This is not a good idea if the temperatures are warm. The rate of self-discharge is quite temperature dependent; a few weeks at 90° is worse than several months at 10°.
X2.
Lived in Fairbanks, Alaska for 3 winters and 2 of them all I did was disconnect the ground cables. The 3rd winter, had a float charger on them. The disconnected batts didn't need much service in the spring other than just reconnect the grounds, plug the RV into 120 Volt and let them charge up overnight. The batts on the float charger though, they needed some water. Not much though.
As far as running the engine goes? Don't bother unless you can drive it.
About Motorhome Group
38,707 PostsLatest Activity: Feb 28, 2025