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Hi I have 4x agm 12v 230ah batteries in a row in my 48v system. Everythink is working finde so far. But one of the batteries is all the time 0.2 volts below the other and while chargeing 02-0.4 volts above chargevoltage. Is the battery defect. Should I try the reconditioning programm on the charter?
Batteries are never equal. The internal resistant differs, specially after a certain time of usage. If your batteries are new I would check the datasheet if this in the tolerance. It could eventually be the first sign of a fast degrading batterie. Check frequently temp and voltage. If the batteries are older it is probably a normal sign of degradation.
