this post was submitted on 18 Mar 2025
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Technology

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BYD announces charging tech that’s twice as fast as Tesla’s (www.theverge.com)
submitted 3 weeks ago by misk@sopuli.xyz to c/technology@beehaw.org
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Chinese electric vehicle manufacturer BYD has revealed new fast-charging tech that can add 400km (249 miles) of range from a five minute charge. With the announcement, BYD has also promised to make a major investment in charging infrastructure, building over 4,000 of the new fast chargers across China.

The “Super e-Platform” tech is capable of charging at peak speeds of 1,000kW, double the fastest Tesla V4 superchargers, which will peak at 500kW when they roll out this year. The faster charging tech is initially available in two new vehicles, the Han L sedan and Tang L SUV, which start at 270,000 yuan (around $37,330). 

“In order to completely solve our users’ charging anxiety, we have been pursuing a goal to make the charging time of electric vehicles as short as the refuelling time of petrol vehicles,” BYD founder Wang Chuanfu said from a Shenzhen launch event. “This is the first time in the industry that the unit of megawatt has been achieved on charging power.”

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[–] socsa@piefed.social 9 points 3 weeks ago

This is the big limitation for all fast charging claims. EV battery packs are already very thermally constrained. Faster charging will require more active cooling, which means lower pack density due to the added coolant, compressors and radiators. There is no free lunch here. Even the mythical solid state batteries are going to have the same thermal limitations on charging without some breakthrough in portable cryogenics or high temp superconductors.