... , Lithium battery powered bicycle 2, ISO9000:2000,CE, UL approval electric bicycleMODEL: TDE04ZMain Technical ... /Ah): 36V /8 Ah Lithium battery2, Motor(watts): 36V/250W hub motor, brushless 3, Charging Time: 5-8h4, Gears: SHIMANO 65 ... , Over current protection value: 14A19, Sensor: Speed sensor Electric mountain bicycle TDE04Z