Speed: Up to 10 mph (16 km/h) Run Time: Up to 40 minutes of continuous use Battery: 22V lithium-ion pack, rechargeable (UL2271) Downtube: Patent-pending, anti-rattle, folding mechanism Motor: Kick-to-start, high-torque, silent hub Safety helmet required. Packed with innovation from its lithium-ion battery and push-button throttle control to its kick-to-start in-hub electric motor, the Power A2 is ushering in a new age of performance in an ultra-modern, compact and easily foldable update of our classic A scooter. Past meets future with the light-weight and streamlined Power A2, packing an electrifying power-up punch with bold style and a rattle-free ride at speeds up to 10 mph (16 km/h) and 40 minutes of continuous use.