LiFePo are considerably safer in use than LiPo (which isn't actually a battery chemistry, but a construction) and straight LiPos are not really suited to automotive use as I've said before - far too much risk of a thermal runaway, just from aging as much as any in use abuse.
They're only good for a certain number of cycles as well....
I have a 3 cell LiPo I used for my RC radio and it's beginning to swell after intermittent use over a period of years - it still balance charges fine so I will continue to use it, but as soon as it swells good and proper it'll be dunked in salt water and binned
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===SOLD===2002 Audi S8 D2 Final Edition (yes, really) in Avus Silver with purple extended leather===SOLD===
2011 S5 Sportback in Phantom Black with black Super Sports leather, 9x20s, tech pack high, adaptive xenon plus, intelligent key, memory seats pack, sunroof, B&O, Audi Drive Select & quattro Sports Diff, DAB, parking system plus
2015 VW Golf GTI Performance Pack in Carbon Grey with black Vienna leather, tech pack (Discovery Pro nav & Dynaudio), DCC, factory towbar and retrofit RVC
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