M4 Pro S+ with a robust aluminium alloy motor of 48V 250W. Motor: 250W. Battery: 48V 12.5AH. - M4 Pro S+ equipped with a 48V 23Ah battery for a speed range of 25-60 km/h. - G-BOOSTER with a 48V 12.5Ah lithium battery, ensuring a range of 30-50 km.