Most sailors are tired of replacing their boat’s batteries every few years. Lead-acid, sealed gel, and AGM batteries don’t last that long, but they’ve been the only option to power trolling motors or onboard electronics and small appliances. However, lithium batteries are gaining traction in the marine community.
Lithium batteries offer several advantages over these older types of batteries, including better performance, cost savings over time, no maintenance, faster charging, and more. However, the most significant benefit of lithium batteries is that they last a lot longer than lead-acid batteries.
How long? While the exact length of time varies based on your setup and usage, let’s talk about the life of a lithium battery.