Climbing speed: 3600 stepsStandby time: 6-8 hoursLoad: 250kgDimensions: 58*115cm. (can be extended to 165cm)Power: 850wBattery: 48V 16ANotice: Because the battery is too large, it can’t be transported by air. There are only some channels for air transportation. If you need a battery, please contact customer service or buy a 48v aluminum battery yourself.