The Greenworks Pro 60V 21" Cordless Self-Propelled Lawn Mower with (2) 4.0 Ah Batteries & Dual Port Turbo Charger combines battery power with brushless technology to deliver clean, no-fume performance without the hassle of gas, oil or maintenance. Two 4.0 Ah batteries and Auto Switchover provide 60 minutes of runtime and power at the push of a button. Our self-propelled walk-behind mover gives you the option to bag, mulch, discharge or leaf pick up. Select your ideal grass height with the 7-position single-point height adjustment. If you prefer mowing in the early morning or evening hours, high-intensity LED headlights provide the perfect solution. The rear wheel self-propelled system provides increased traction, and the EZ Fold handles quickly fold and store vertically, making it ideal for compact spaces. This lawn mower and the included 5.0 Ah batteries are compatible with the Greenworks 60V system of 75+ tools and batteries.