Originally Posted by def
Are LiFePo batteries being used on diesel trucks in sub freezing climates? Until I can spin my CAT diesel engine in my motorhome with a Li battery in 20F. temps, I'll remain a lead battery (AGM) proponent.
Dunno. I can't see any advantage to using one in that application - the size and weight of a battery is more-or-less irrelevant in a motorhome or 18 wheel truck.