... sensor and sensorless motorBe suitable for 36V and 48V battery12500W1,1:1PAS2,Cruise3,Learning itself4,Speed limit/unlimited5 ... 48V battery181000W1,1:1PAS2,Cruise3,Learning itself4,Speed limit/unlimited5. EABS6,Regenerative braking7,3 speeds8,Waterproof1kg228*82*43mm Sensor lithium battery ... charge dc motor controller 48v