The RYOBI 40V HP Brushless 730 CFM Backpack Blower Kit has more power than a 51cc gas blower, delivering exceptional performance without the hassle of gas. 40V HP technology combines a powerful brushless motor, advanced electronics, and lithium technology to deliver 730 CFM and 165 MPH, making it ideal for damp leaves, heavy yard debris, and compacted grass. Achieve over 50 minutes of runtime using (2) 40V 6Ah batteries. This blower is part of the WHISPER SERIES™ and is engineered to be 85% quieter than gas, so you can get work done without disturbing your neighbors. A variable speed trigger gives you maximum control in delicate applications like blowing leaves from mulch beds. Lock in your desired speed with cruise control for less fatigue while in-use and use the included speed tip to achieve maximum MPH. For comfort, the backpack is designed with a contoured back/shoulder harness and adjustable straps. Each of your 40V 6Ah batteries recharge in under 60 minutes with the included 40V Rapid Charger. Best of all, it is part of the 40V System – any 40V battery works with any 40V product. This 40V Backpack Blower is backed by the 5-year manufacturer’s tool warranty, 3-year manufacturer’s battery warranty, and includes the RY404017 40V Backpack Blower, (2) OP40605 40V 6Ah Batteries, OP408 40V Rapid Charger, Blower Tubes, Speed Tip, and Operator’s Manuals.