Foldable and portable for adult daily use. Fast speed and long-range for commuting or city adventuring. Warning: Use only the original charger. Max Range of 17 Miles Max Speed of 18.6 mph Max Load of 220 lb 5-Hour Fast Charging E-braking & Disc braking LED head+tail+sidelight 7.5 Ah Battery Pack 8.5-Inch Solid Tires MODEL S2 Unfolded Size 45.7 × 17.0 × 47.2 in (1161 × 432 × 1199 mm) Folded Size 45.7 × 17.0 × 19.3 in (1161 × 432 × 490 mm) Tire Diameter 8.5 in (216 mm) Product Weight 31.9 lb (14.5 kg) Recommended Age 16 ~ 60 years old Adapter Input Voltage 110 ~ 240 V Motor 350 W Tire (Front & Rear) 8.5-inch, solid tires Max Speed 18.6 mph (30 km/h) Max Range 17 miles (27 km) Max Climbing Capability 15° Max Load 220 lbs / 100 kg Foldable Stem Yes Battery Pack Not detachable Brake System E-braking & Disc braking Speed 2 settings (linear adjustment) Illumination LED headlight + taillight + sidelight Suspension Dual rear suspensions IP Rating IPX4 Operating Temperature 14 to 104 °F (-10 to 40 °C) Storage Temperature 14 to 104 °F (-10 to 40 °C) Battery Type Li-ion Charging Time 3 ~ 5 hours Voltage 36 V DC Capacity 7.5 Ah Operating Temperature 14 to 104 °F (-10 to 40 °C) Charging Temperature 32 to 104 °F (0 to 40 °C) Max Charging Voltage 42 V DC Storage Temperature 14 to 104 °F (-10 to 40 °C) Storage Time 3 months (after a full charge) Charger Input Voltage 110 ~ 240 V Charger Output Voltage 42 V DC Output Current 1.5A