Maxx
Well-known member
I am charging now at battery temp of 39.2 (ambient 17F). Coolant heater is off and no energy is going to warming battery to higher temp. So my battery does not need to be at 60F to be charged. Not sure how low it can go without heating the battery during charging. I just know during periodical battery heating process, heater shots off when battery get to 41F. It looks like after it shots off the battery temp still may go a little higher. At those temps I get 100% power.
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