Forum Discussion

Naio's avatar
Naio
Explorer II
Jun 29, 2018

AGM battery test results and what should I do next?

I have 5 AGM batteries: 1 new for the chassis, and 5 used Fiamms for the house. All have their quirks. I want to report back on how I've tested them this week, and hear you folks' thoughts on what I ...
BFL13's avatar
BFL13
Explorer II
Jun 29, 2018
Yes, different brands of AGMs have different voltages per SOC. Mine (12v) are 13.0 full and 12.4 half full, but Trojan AGM T-105s (6v) are lower than that. Lifelines also have a lower charging voltage spec--14.4, while mine are in the high 14s.

I got confused by the statement that while being charged the voltage would not go above 13.

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