New backpack 40v blower comes with battery and charger Save well over $100 Noise, fumes, and gas are a thing of the past, with the Ryobi 40V Lithium-ion Backpack Blower. At just 59 db, this backpack blower is the quietest in the industry. CROSSFORCE Fan Technology and a brushless motor deliver all the power you need, with 625 CFM and 145 MPH. The backpack includes pro features like a variable speed throttle and cruise control, offering convenient operation is at your fingertips. Enjoy comfort and support no matter how long you work, with the adjustable shoulder straps and contoured back. The included 40V 5ah lithium-ion battery is compatible with 40+ tools in the Ryobi 40V system.