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Old 03-25-2016, 05:18 PM   #19
kchace's Avatar
City: Brookline, NH
Country: USA
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I would tend to vote for an overfilled cell that just burped out some acid or a bad cell. A 20A charger would have a hard time overcharging a 1700AH bank unless it was REALLY bad.

Some checking with a meter both during charge and after rest and a specific gravity test on all cells should shed light on this.

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