Model Number: K1 Brand Name: GTL Key Specifications/Special Features: K1 the most stylish foldable e-bike K1 Smart E-BikeITEMPARAMETERS ITEM PARAMETERS Nominalvoltage 36v Nominalvoltage 48V MotorPower 240w MotorPower 350W Batterycapacity 8.8AH/10.4AH Batterycapacity 8.7AH/10.2AH Endurancemilage 35-45KM/45-55KM Endurancemilage 35-40KM/45-50KM Motortorque 6.6N.M Motortorque 8.4N.M Batterytype Lithium Chargingtime 3-5H MotorType Brushlessgearmotor Charger 110-240v:50-60Hz Material Aluminum6061-T6 Startingmethod zerostart Waterproofgrade IPX4 Loadingweight 120kg Netweight 18kg Maxspeed 25km/h Foldsize 1235*536*270mm Unfoldsize 1200*615*985mm Packagesize 1310*380*550mm 20'GP/40'GP/40'HQ 104pcs/216pcs/252pcs