The Greenworks 48V 15” Cordless String Trimmer comes with (2) 2Ah Batteries and a Dual Port Rapid Charger. The toughest weeds and grass are no match for the TORQDRIVE System which provides 30% more torque. A 15-inch cutting path and a .080 bump feed head makes line advancement quick and easy. The variable speed trigger allows you to control the cutting speed making it easier to maneuver around plants and allows for longer runtimes. The Greenworks 24V lithium-ion platform powers over 100+ indoor and outdoor products, including lawn mowers, blowers, string trimmers, chainsaws, power tools, and more! The 24V lithium-ion battery provides 20% more power and 35% more run time while delivering fade-free power with no memory loss after charging. The outdoor power equipment allows you to tackle up to 1/4 acre with the available batteries. USB ports are integrated into the batteries, making it a portable charger for phones, tablets, and other compatible electronic accessories. The Greenworks 24V platform comes with a 3-year tool/battery warranty to protect your investment.