this post was submitted on 07 Mar 2026
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All EV batteries aren't "a battery that size". They're a bunch of small batteries all strung together. The "battery that size" statement you made is pretty much meaningless.
It's very much physically possible to charge a battery pack at mostly empty to mostly full in 5 minutes. The tech and chemical side of actually getting it done hasn't quite officially happened yet. Battery charge\discharge rates are measured in "C". One C is an hour for a 0 to 100% charge. So six C would be 0 to 100 in 10 minutes. That's doable right now. You'd need 12 C for a 0 to 100% charge in 5 minutes. That has happened yet, but it's getting pretty close. 11 C can be done to go from 0 to 80%.
Likely, BYD's charging statement is based for the regular layman such as yourself and refers to something along the lines of a charge from 10% up to 80%.
As a side note, it's also annoying having these "new EV battery has x amount of range" is dumb. You could get that range 20 years ago if you made the battery pack a lot bigger. What you need to know is the energy density and the size. Like 400 WH per kilogram is currently a really good capacity. Double what you could get from like five years ago.