Enter the RYOBI 40V System with the 40V 2-tool combo kit that includes the 40V HP Brushless Carbon Fiber Shaft String Trimmer, 40V HP Brushless Jet Fan Blower, 40V 4Ah Lithium Battery, and 40V Fast Charger. 40V HP Technology delivers more power than a 25cc gas string trimmer and more power than a 26cc gas blower, making these tools true gas replacements. 40V HP technology combines a brushless motor, advanced electronics, and high performance lithium technology to provide more power, runtime, & durability. Get up to 72 minutes of runtime on the trimmer and up to 22 minutes of runtime on the blower using the turbo button. Our trimmer is equipped with a durable carbon fiber shaft, an adjustable 13”-15” cut swath, & conveniently transforms into a variety of tools with attachment capability. As part of our WHISPER SERIES, our blower is engineered to be 89% quieter than gas. With 600 CFM and 155 MPH, it’s ideal for tackling wet leaves & heavy debris. Best of all, they are part of the RYOBI 40V system where any 40V battery works with any 40V product. This 40V String Trimmer & Jet Fan Blower Combo Kit is backed by the RYOBI 5-Year Manufacturer's Tool Warranty, 3-Year Manufacturer’s Battery Warranty, and includes RY40009 40V HP Brushless Carbon Fiber Shaft EXPAND-IT Power Head, RY15529 Carbon Fiber Straight Shaft String Trimmer Attachment, RY404013 40V Jet Fan Blower, OP40404 40V 4Ah Lithium Battery, OP409 40V Fast Charger, String Trimmer & Blower Accessories, and Operator's Manuals.