Quote:
Originally Posted by chrismoore701
What is the difference in the charging? AGM?
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AGM (Absorbed Glass Mat) batteries are more sensitive to overcharging than lead acid batteries. Gel (Optima) batteries are more sensitive to Amperage of the charge. For example, if you want to fry an Optima Red Top, put it on a charge in excess of 10A. It's also fun when I see parts "specialists" sell a Red Top for a boat or general Deep Cycle application.
EDIT: Also, I tend to throw around AGM and Gel like they are the same, they aren't. It's a bad habit I have yet to kick.