not just that. byd also manufacture their own sic, igbt, mcu, carbody, materials, etc. they owned complete supply chain.No doubt BYD Blade battery is a game changing tech. Very safe, new arrangement that maximize power density, faster charging than traditional lithium iron battery.
No usage of cobalt. Near perfect EV battery selection. If the changing can be faster than another 50%, it will be perfect.
With many EV nowadays range reaching 500km - 700km. Range is not a problem any more but the problem of ease of charging and speed of charging.