Lithium-Ion battery technology; long life. Lightweight, compact design. Virtually no self-discharge. Clears hard surfaces like walkways, driveways and patios. 120 mph air speed to clean up large areas. Sweeps debris from shops and garages. 3-5 hrs charging time. Weighs 3.6 lbs. Comes with 1 battery pack, 1 charger and 1 wall mount.