WORX WG540.5 18-Volt Lithium-Ion Cordless Blower/Sweeper WORX electric blower/sweeper uses lithium-ion battery technology WORX lithium battery packs are lightweight (less than 5 pounds) and provide 3 times the useable life of standard Ni-Cd batteries The 120-mph blast can easily clear under parked cars or outdoor furniture Features a soft grip handle for user comfort Charges in about 30 minutes