Powerful motor and battery to go the distance As Xiaomi’s most powerful scooter to date, upgrades to the motor have afforded users 700W maximum power, reaching max speeds of 25km/h, and climbing slopes with inclines up to 20% with ease. Powered by a lithium-ion battery, its 12,400mAh capacity means Xiaomi Electric Scooter 4 Pro can travel up to 45km per charge.