Nickel iron has low energy density, they are expensive, I think they have a fairly high self discharge and their efficiency sucks.
The only thing they have going for them is that they can be abused and still last 25 years.
Their efficiency is pretty bad, 60 to 70%.
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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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