Quote:
Originally Posted by Oldguysrule
I was under the impression AGM batteries do not require a special charger but will benefit from a smart charger.
"Lead-acid batteries that have the electrolyte absorbed into a fiberglass mat (AGM) take generally the same charge voltages and charging schemes as a regular ol' sloshy flooded (FLA) battery."
"HOWEVER - batteries which have the electrolyte gelled with an additive (GEL) usually DO require a special charger, because they A) require a bit lower charge voltage, and B) are much more sensitive to overcharging than FLA or AGM.)"
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While AGMs can charge OK with a standard charger, the CTEK maintainers have for quite a few years, had a AGM dedicated charge program which does a better job.