Posted December 13, 20213 yr I used 2x US3000 batteries for the last 16 months, about 160 cycles - can't check because they are with the suppliers. Last week the master battery's alarm light apears and it was established that that cells 1 - 5 are over temp (63 degrees). I haven't heard from the suppliers yet, but has anyone else experienced something similar with Pylontech batteries AND what causes this?
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