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tjbuggy2b asked

Single Lithium Starter/Deep Cycle Battery with Outboard Motor

I'm having a hard time putting together all the info I've been reading on this topic. My boat has an outboard motor with an 18 amp/226 watt alternator. I'd like to run a single 12v lithium dual purpose battery (starting and deep cycle) because my current lead acid battery won't last a whole day of fishing due to the draw my electronics and livewell pump require. My trolling motor is on an isolated 24v system.

I'm trying to understand how to protect the alternator from overheating (due to over current) and from blowing up (due to overcharge cutoff).

Can anyone help?

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