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Building my own LifePo4 lithium bank
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<blockquote data-quote="hispls" data-source="post: 8786313" data-attributes="member: 614752"><p>LTO is basically just a different flavor of LiFePO so either should be safe as far as not exploding or catching fire or whatever. </p><p></p><p>As you say, LTO does start with an oddball voltage so you can either use 5S bank and charge 14.0-14.2 or 6S and optimally charge at 15.0-15.5. That said, I've been running YingLong banks for a few years now on just 14.4-14.8 systems in my Jeep and my brother's Civic and both are still performing fine. I'm already to the point where if they died tomorrow I'd only have to replace the cells and not all the copper/hardware/busing and would still be way ahead of the game vs if I'd bought AGM that would do the same job. Mind you, I've been doing big builds for long enough that the cost of a giant battery bank every few years is sort of something I expect and budget. </p><p></p><p>YingLong 40AH is a good option because they've been widely used in car audio for a little bit now and there are some good off-the-shelf busing options. There's a couple other brands of cylindrical cells coming out of China that seem promising but cost isn't great and ready made bus options aren't going to be easy to find. I've also got some Toshiba cells here that have some really good looking specs and I have high hopes for. I haven't tested the Toshiba much beyond just a 5S bank I put in my 4 wheeler last fall and you'd definitely need to custom fabricate bus bars for those. </p><p></p><p>Not sure who is a reliable seller here in the USA. I've got some cells here I've been meaning to put up in the classifieds section, but check around. Also worth mentioning, I see a few guys in this area using C-Max cells with good results though I think they have a trusted source who is scrapping them out of new-ish EV banks.</p></blockquote><p></p>
[QUOTE="hispls, post: 8786313, member: 614752"] LTO is basically just a different flavor of LiFePO so either should be safe as far as not exploding or catching fire or whatever. As you say, LTO does start with an oddball voltage so you can either use 5S bank and charge 14.0-14.2 or 6S and optimally charge at 15.0-15.5. That said, I've been running YingLong banks for a few years now on just 14.4-14.8 systems in my Jeep and my brother's Civic and both are still performing fine. I'm already to the point where if they died tomorrow I'd only have to replace the cells and not all the copper/hardware/busing and would still be way ahead of the game vs if I'd bought AGM that would do the same job. Mind you, I've been doing big builds for long enough that the cost of a giant battery bank every few years is sort of something I expect and budget. YingLong 40AH is a good option because they've been widely used in car audio for a little bit now and there are some good off-the-shelf busing options. There's a couple other brands of cylindrical cells coming out of China that seem promising but cost isn't great and ready made bus options aren't going to be easy to find. I've also got some Toshiba cells here that have some really good looking specs and I have high hopes for. I haven't tested the Toshiba much beyond just a 5S bank I put in my 4 wheeler last fall and you'd definitely need to custom fabricate bus bars for those. Not sure who is a reliable seller here in the USA. I've got some cells here I've been meaning to put up in the classifieds section, but check around. Also worth mentioning, I see a few guys in this area using C-Max cells with good results though I think they have a trusted source who is scrapping them out of new-ish EV banks. [/QUOTE]
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