batteries in the winter
Ok, so another battery question. The motor home I may buy next week has 2 12 volt batteries in it, not that that makes a difference in my question. I will be storing my unit at home and have a pedesta...
Forum Discussion
bgum wrote:KD4UPL wrote:
Turn off your battety disconnect and just leave the batteries in the MH. No nred for a charger as there is no discharge. If they won't hold a charge all winter disconnected they need replacing.
I consider this to be incorrect information as they can loose up to 5% charge per month.
Here;s the chart I trot out, from "Battery University" when the subject comes up:
https://batteryuniversity.com/img/content/storage-web-corrected.jpg
As one can see, the colder the average temp, the longer they can be left before self discharge is a concern. Over the winter in the north, no issue. I'd think hard about long term over the summer in Texas or Arizona, however...
