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Choosing a trolling motor battery
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<blockquote data-quote="MrGiggles" data-source="post: 484704" data-attributes="member: 22613"><p>I have read the same things, but most seem to agree that you can discharge a lead acid battery to 70-80%. Those group 29s were probably ~100ah, so that would give you 70-80ah of usable capacity. Most fisherman wouldn't use that much in a typical outing with a 24-36 volt motor, multi day camping trips or tournaments, maybe.</p><p></p><p>The big difference there being what you said, that lead acids will gradually lose voltage. Lithiums will generally stay pretty flat until they quit altogether.</p><p></p><p>I would like to make the upgrade, but my current batteries still have a couple years left. Hopefully by then lithiums will have come down in price even more. Right now they are getting close to penciling out for me, but not quite there.</p></blockquote><p></p>
[QUOTE="MrGiggles, post: 484704, member: 22613"] I have read the same things, but most seem to agree that you can discharge a lead acid battery to 70-80%. Those group 29s were probably ~100ah, so that would give you 70-80ah of usable capacity. Most fisherman wouldn't use that much in a typical outing with a 24-36 volt motor, multi day camping trips or tournaments, maybe. The big difference there being what you said, that lead acids will gradually lose voltage. Lithiums will generally stay pretty flat until they quit altogether. I would like to make the upgrade, but my current batteries still have a couple years left. Hopefully by then lithiums will have come down in price even more. Right now they are getting close to penciling out for me, but not quite there. [/QUOTE]
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Choosing a trolling motor battery
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