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this post was submitted on 15 Aug 2026
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You'll hit a point where the payload is so poor it isn't worth operating.
That’s true regardless, batteries will never power intercontinental wide-bodies (short some major new developments in battery design). This will probably reduce the maximum aircraft size where batteries remain viable, but they are obviously very viable for short hops in small jets, the point where they cannot compete is somewhere but it’s not “never”, even with this limitation.
That all said, maybe someone will explore just dropping batteries along the way? It sounds ridiculous, but it also sounds like something we have the tech to solve…
It's a bigger deal on bigger aircraft, but on mid-size narrow bodies it's not as much of a problem. A 737, depending on the model, only has a difference of about 20-30k lbs between MTOW and MLGW and no fuel dump capability. An overweight landing isn't really a big deal in one, just a quick maintenance inspection. Closing the gap so MTOW and MLGW are equal is doable. It's hard to overstate how huge of an expense fuel is to an airline, if they have to lose some passengers and cargo they would absolutely do it if it got rid of the fuel expense.
Of course all that is contingent on having batteries with enough energy density to get somewhere close to current MTOWs while having something of a useful range.