With special reprogramming and equipment, a Japanese firm claims they can lower that time even more, to 50% in three minutes, which is comparable time to filling up at a gas station.
The JFE system uses lithium-ion batteries to store energy during off-peak hours, then directs all of this energy in a three minute burst into the EV. By utilizing batteries for energy storage, the charger does not rely on super high amperage nor does it require rewiring of existing facilities to function correctly