WSJ Tech News Briefing · Wednesday, September 23, 2026
Chinese automaker Geely has introduced a new electric vehicle charging technology capable of recharging a battery from low to nearly full in under five minutes. The technology utilizes AI, developed in partnership with startup Step.Fun, to predict battery temperatures and optimize charging power, thereby reducing heat and extending battery life. Initial tests showed a vehicle charging from 10% to 70% in 4 minutes and 30 seconds.
“And Chinese automaker Geely has unveiled a new EV technology that it says will recharge a battery from low to nearly full in under 5 minutes.”
“Geely codeveloped an AI model with an AI startup Step. Fun, which it says can predict battery temperatures up to 30 seconds in advance and adjust charging power accordingly.”
“Geely added that it tested the new tech in two car models, with one charging from 10% to 70% in 4 minutes and 30 seconds and the other going from 10% to 97% in 8 minutes and 40 seconds.”