alt Hacker NewsBatteries 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.
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enquirewithin • today at 4:46 AM
It’s taken thirty years for lithium batteries to double in energy density, and the rate of increase has tapered off recently.
That's max discharge current per cell though. You are going to have a lot of cells in a plane like this.