Weight: 79.4kg(36AH) | 87kg(50AH) Weight Capacity: 137kg Front Wheel: 265*87mm Rear Wheel: 273*87mm Dim: 1220(L)*590(W)mm Per Charge Range: 35km(36AH) | 46km(50AH) Maximum Climbing: 9 degree (137kg) Maximum Speed: 10km/hr Battery Spec.: 12V/36AH *2 | 12V/50AH *2