Xiaomi has demonstrated its latest generation of fast charging, with a Redmi-branded 300W charger that can take a 4,100mAh battery from zero to full in one second under five minutes. 300W is a lot.

Early last year, Realme set the record for the fastest charging smartphone with the GT Neo 5 which could charge in nine and a half minutes ... Xiaomi, announced that it had developed a 300W charger.