this post was submitted on 04 Nov 2023
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We’ve kind of hit a brick wall on the battery front, I wouldn’t expect much improvement in that arena
Solid state batteries could provide another boost in capacity. Other than that, drones don't need to be quadcopter style only, gliders can reduce battery load significantly (and you could even make a hybrid that can switch to quad mode for precise flight)
https://www.energy.gov/eere/vehicles/articles/fotw-1234-april-18-2022-volumetric-energy-density-lithium-ion-batteries