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Gel and lithium-ion tech could enable 1000-mile EV range on one charge
(interestingengineering.com)
This is a most excellent place for technology news and articles.
My only regret was not buying a more popular model. There are fantastic drop-in battery upgrades for the Prius and leaf, but less popular cars like mine will probably never get upgraded
What car did you end up getting?
Ford cmax, only gets about 20 miles on the stock battery. I don't expect anyone to make a better one, and iirc Ford only sold like 1 model year with an upgraded (20%) battery.