In many parts of the world, the used battery market is being flooded by healthy, inexpensive lithium. The battery cost for an Insight with 50 miles of EV range is around $1000us right now, and prices are still falling.
Chinese manufacturers already have semi solid state batteries being mass produced, which are less* likely to catch fire if abused, and have better energy density. There are low volumes of truly solid state cells floating around, but they're hard to come by. Realistically they're still 2-3 years off from being common.
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