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A comment on Lithium battery costs have fallen by 98% in three decades. Parent comment

Re:Lithium battery costs have fallen by 98% in three decades by mrfusion on Sunday April 04, 2021 @09:37AM (#26689277)
Even as a single use battery it would be amazing. Carry around a 20 lb battery in your EV as a backup to get you to a charger.

Electric airplanes could carry these for takeoff and maybe jettison at a preplanned location for recycling.

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