Posts: 2754
Location: Mauston, Wisconsin | If you're looking for space & weight savings + performance, the Optima's are by far the battery of choice. You need the yellow top for your cranking battery/electronics and the blue top for your trolling motor. There's a reason they're more expensive - IMHO - you get what you pay for. These have to be toughest most power dense lead-acid battery on the market today.
Myth - They are gel cell technology: Absolutely false. They are AGM (absorbant glass matt) lead-acid technology. They are also known as VRLA AGM's. VRLA = valve-regulated lead-acid. Sometimes refered to as no-maintenance. There is no excess electrolyte/battery acid that can spill out of the battery. All of the electrolyte is captured in the micro-porus absorbant glass matt between the battery plates.
Gel cells and AGM's are two very different lead-acid battery technologies.
This is interesting:
http://www.optimabatteries.com/product_support/resuscitating_agmbat...
Do you need a different charger setup? Probably not. Most modern chargers including on-board have capability to charge either wet cells or AGM's/VRLA. If you really want Optima's call them and tell them what you have for charger(s).
From the link above:
"OPTIMA Batteries does not officially endorse specific chargers—we simply don't have the time to test all of the excellent chargers on the market. There are a few that our customers and staff have tried and liked. You can contact OPTIMA Batteries Customer Service at 888-8-OPTIMA (888-867-8462) or via email at [email protected] for charger recommendations based on different applications."
No, I don't work for Optima, nor am I affiliated with them in any way.
Have fun!
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