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TMND
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- #3
Another interesting charging quirk I found lately is when plugging into a level II and the battery is cold the first hour of charging although at full rate, I will lose 2 to 4% instead of gaining. I assume that’s going to heat the battery pack, but thought shore power would be sufficient at 40 A
Grumpy2
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Video on a cold soaked Tesla:
Yes, the initial phase of charging is warming the battery to minimum safe temps to charge, I've noticed the overhead has increase with my daily charging as compared to spring, summer and fall when I generally only charge weekly, much lower losses for AC/DC conversion and for the battery warming.
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