Enter the RYOBI 40V System with the 40V HP Brushless 17” Carbon Fiber Shaft String Trimmer Kit. 40V HP technology delivers more power than a 30cc gas string trimmer. 40V HP technology combines a brushless motor, advanced electronics, and high performance lithium technology to provide more power, runtime, and durability with up to 67 minutes of runtime. This string trimmer tackles your most aggressive cuts with the adjustable 15” to 17” cut swath and heavy-duty .105” line, ideal for tough weeds, thick grass, and brush. As part of the WHISPER SERIES, it is 72% quieter than gas, so you can cut any time of day without disturbing others. For added durability, this string trimmer is equipped with a carbon fiber shaft. Conveniently reload your line in under 60 seconds with the REEL EASY+ 3-in-1 bump-feed head. Your 40V 6Ah battery recharges in less than 60 minutes with the included 40V Rapid Charger, so you can quickly get back to trimming. Best of all, it is part of the RYOBI 40V system where any 40V battery works with any 40V product. This 40V HP Brushless 17” Carbon Fiber Shaft String Trimmer Kit is backed by the RYOBI 5-Year Manufacturer's Tool Warranty, 3-Year Manufacturer’s Battery Warranty, and includes RY402011 40V HP Brushless Carbon Fiber Shaft String Trimmer, OP40605 40V 6Ah Lithium Battery, OP406 40V Rapid Charger, Trimmer Accessories, and Operator's Manuals.