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Let me know how it works.
I spent about $600 on cells for my 60ah 13v LiFePO4 batt. A BMS wouldn't be a bad idea.
It won't work unless you external charge it. You need at least 14.8v a vehicle alt will typically make 13.8 to 14.4v most make around 14 to 14.2v I have found.
I say external charge it.
I would hook the battery straight up to the vehicle charging system like normal, since you are only supposed to run 10 amps through the charger circuit. An lithium battery will take full alternator output, which will be a lot more than 10 amps, bad for the charger circuitry.
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1984 chevy suburban, custom made 6.5L diesel turbocharged with a Garrett T76 and Holset HE351VE, 22:1 compression 13psi of intercooled boost.
1989 firebird mostly stock. Aside from the 6-speed manual trans, corvette gen 5 front brakes, 1LE drive shaft, 4th Gen disc brake fbody rear end.
2011 leaf SL, white, portable 240v CHAdeMO, trailer hitch, new batt as of 2014.
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