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Old 06-01-2019, 05:32 AM   #54
dorrington
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Join Date: Jan 2016
Location: uk
Posts: 127
5 yr Member
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As far as I know the only way to charge just one bank of four cells is to open the battery and use a life charger on the solder terminals.

Normally it's one bad cell making the group go low..the only is to find bad cell and swap it unless you're very lucky....

Good luck
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