b'Model Y750W Max Output40-80 mile range25 mph Max Speed 20 mph max. Throttle / 20 mph max PAS (Factory settings) 2-3 hrs 3.5 Amp Smart Super charger Model R 750W Max Output60-140 mile range28 mph Max Speed 20 mph max. Throttle / 20 mph max PAS (Factory settings) 2-3 hrs 3.5 Amp Smart Super chargerModel E750W Max OutputUp to 70 mile range28 mph Max Speed20 mph max. Throttle / 20 mph max PAS (Factory settings)2-3 hrs 3.5 Amp Smart Super charger'