"Newer" Ford trucks don't charge house batt's?

Bert the Welder wrote:
Also, while we're at it, same guy:
The BMS in lith batt's is a big drain on the batt's.....
BS or no BS?

Complete BS.

I have a pair of Battle Borns that I pulled out of an RV when I sold it in March. They have been sitting in a heated space since March, with no charger on them. I checked the voltage about two weeks ago, they are sitting at 13.2.