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<blockquote data-quote="FuzzyGrub" data-source="post: 524014" data-attributes="member: 3438">The trolling motor battery capacity left gauges, will not work correctly with a LiFePO4 battery.&nbsp; The gauge will basicly say it has a full charge, right up until it drops off the cliff.&nbsp; I got some gauges that are programable, and suppose to work with LiFePO4.&nbsp; They were tricky to set-up and haven&#039;t convinced myself that they are accurate enough, to recommend yet.&nbsp; What I have been doing, is charge just before each <s>2nd</s> trip.&nbsp; That leaves the battery near the 50% discharge point for storage.&nbsp; If you get a LiFePO4 with bluetooth, you get good diagnostics along with charge remaining info. The group 24 100Ah TimeUSB had just came out when I purchased the group 31.&nbsp; It wouldn&#039;t have changed my layout much,&nbsp; so couldn&#039;t really take advantage of additional space.&nbsp; Also, all of the reports on TinBoats were with the G31.&nbsp; If the group 24 buys you valuable space that you can use, go for it.&nbsp; There is a slight weight savings of 1lb per battery.</blockquote>

[QUOTE="FuzzyGrub, post: 524014, member: 3438"] The trolling motor battery capacity left gauges, will not work correctly with a LiFePO4 battery. The gauge will basicly say it has a full charge, right up until it drops off the cliff. I got some gauges that are programable, and suppose to work with LiFePO4. They were tricky to set-up and haven't convinced myself that they are accurate enough, to recommend yet. What I have been doing, is charge just before each [S]2nd[/S] trip. [B]That leaves the battery near the 50% discharge point for storage.[/B] If you get a LiFePO4 with bluetooth, you get good diagnostics along with charge remaining info. The group 24 100Ah TimeUSB had just came out when I purchased the group 31. It wouldn't have changed my layout much, so couldn't really take advantage of additional space. Also, all of the reports on TinBoats were with the G31. If the group 24 buys you valuable space that you can use, go for it. There is a slight weight savings of 1lb per battery. [/QUOTE]

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