b'Model C750W Max Output60-190 mile range28 mph Max Speed20 mph max. Throttle / 20 mph max PAS (Factory settings) 3-4 hrs - Super charger6~9 hrs Internal chargerModel S750W Max Output60-190 mile range28 mph Max Speed20 mph max. Throttle / 20 mph max PAS (Factory settings)3-4 hrs - Super charger6~9 hrs Internal chargerModel X 750W Max Output60-160 mile range25 mph Max Speed 20 mph max. Throttle / 20 mph max PAS (Factory settings) 2-3 hrs 3.5 Amp Smart Super charger'