Model : GOTWAY-Msuper3 Motor:  1500W  Battery Capacity: 680WH/820WH/1600WH Per Range:60-70km/80-90km/100-150km Charger: 100-240W,67.2V,1.75A Battery: Panasonic or Sanyo Mother board:12 MOS-FET/  12- MOS transistors Temperature Resistance: no more than 80 C Tire: 18 inch Max Speed: 45KM/H Max Load: 150KG Service temperature: -20 C to 50 C Height of the pedals :16CM Climbing: 35 degrees IP rate:IP 55 Material:PVC+PU+ Aluminum alloy Net weight:19KG/19.5KG With Bluetooth,APP, LED Light, USB Charging Plug and Internal Handle.   1600WH is a customized version of 84V, it takes 10 days to complete the delivery.