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Comment by ActorNightly

8 hours ago

Batteries aren't rapidly improving. Every single battery that has proposed higher energy density also has downsides in max discharge current. We may get at best like 10% improvement over what it is today.

That's max discharge current per cell though. You are going to have a lot of cells in a plane like this.

It’s taken thirty years for lithium batteries to double in energy density, and the rate of increase has tapered off recently.