Don't get too comfortable just yet...
If you do any cold weather camping, you want to take good care of those lithium batteries.
How to find happiness with lithium batteries
https://www.solacity.com/how-to-keep...tteries-happy/
I put two layers of 1" styrofoam board insulation in the floor and side walls of my battery compartment. I also made my own battery heaters for them. And I put a 120vac EZ start battery warmer (65w) standing up on edge along the floor againt the front wall to help keep them warm.