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Besides that chart being ancient history you are actually correct, batteries did get cheaper I knew that and thought it was common knowledge.
I was talking about the last 4 to 5 years, the near future and specifically LiFePO4 not the entire "lithium ion" family history going back to the stone age. Since I have built my amp20 cell LiFePO4 battery these cells have not changed in price that much.
I like PV, they work, coupled with MPPT charge controller they work far better than expected for my vehicle solar assist/alt delete.
If I can get a power meter that will work with grid tie with out getting screwed over on surcharges I will buy at least several hundred watts of panels, put them on the roof and grid tie them.
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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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