Battery and charger not included. The RYOBI 40V HP Brushless 16 in. Carbon Fiber Shaft String Trimmer delivers more power than a 27cc gas trimmer, making it a true gas replacement. 40V HP technology combines a powerful brushless motor, advanced electronics and high performance lithium technology to provide more power, runtime and durability with over 45-minutes of runtime using a 40V 4Ah battery. Save money, time, and space with attachment capability and transform your string trimmer into a variety of tools. This trimmer is compatible with RYOBI EXPAND-IT attachments and other universal attachments to take on any job around the yard. Tackle thick weeds and grass with the adjustable 14 in. -16 in. cut swath. Easily optimize for runtime or performance with the tool free integrated sliding guard, allowing you to quickly adjust your cut swath. This trimmer also has a durable carbon fiber shaft for a lighter weight trimming experience. Achieve maximum control with the variable speed trigger and quickly change the speed with the 2 speed switch for optimal power/runtime. Conveniently reload your .095 in. line in under 60-seconds with the REEL EASY+ 3-in-1 bump-feed head. Best of all, it is part of the RYOBI 40V system where any 40V battery works with any 40V product.