SLA charger never stops?

giguana

Pedelecer
Nov 8, 2007
216
0
I'm using a charger ("36V3C"..model) from a 12ah lead battery on a 8ah battery, both 36v.

there are 3 batteries, 2 of them identical, the charger stops on one of the 12ah, but not on the other one and the 8ah...after a couple of hours the recharging is very good. unfortunately I left it on for 3hrs extra this evening, how bad is that? how come it doesn't stop?
 
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