Gel vs AGM Marine Batteries: What’s the Difference?
Gel vs AGM marine batteries compared: construction, charge voltages, cranking, deep-cycle life and why AGM and lithium have largely replaced gel.
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Storing Lead-Acid Batteries Through the Off-Season
How to store a lead-acid marine battery in the off-season: full charge, cleaning, maintainers, temperature, flooded vs AGM tips, monthly checks and spring prep.
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Upgrading a Sailboat House Bank from AGM to Lithium
Step-by-step guide to upgrading a sailboat house bank from AGM to lithium: sizing, charging changes, alternator protection, fusing, monitoring and testing.
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How to Dispose of a Lead-Acid Boat Battery
How to dispose of a boat battery: steps for lead-acid, AGM and lithium batteries, where to take them, preparing for transport and getting core…
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AGM Trolling Motor Batteries: When They Still Make Sense
When an AGM trolling motor battery still makes sense: cost, charger compatibility, cold weather, weight, runtime math and how to get the longest life…
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L16 and Large-Format Deep-Cycle Batteries for House Banks
L16 and large-format deep-cycle batteries for house banks: Trojan L16, J305 and 8D options, capacity per pound, fit, watering, wiring and lithium comparisons.
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Sealed vs Vented Batteries in Saltwater Use
Sealed vs vented batteries on saltwater boats: how flooded, AGM and lithium compare for corrosion, spills, ventilation, maintenance and lifespan.
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AGM Starting Batteries for Boats: Pros and Cons
AGM starting batteries for boats: how they differ from flooded, cranking and vibration advantages, charging needs, heat sensitivity, cost and examples.
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Wake and Ski Boat Battery Setups for Big Audio
Wake and ski boat battery setups for big audio: starting batteries, dedicated stereo banks, AGM vs lithium, charging, wiring amplifiers and ballast pumps.
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Trojan Deep-Cycle Batteries for Boats: Lineup Guide
A guide to Trojan deep-cycle batteries for boats: AES AGM group 24/27/31, flooded SCS and 12V deep-cycle, 6V golf-cart T-105/T-125/T-145 and more.
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