Visit the interactive landing page to learn more about 40V GAS-LIKE Power. RYOBI continues to innovate and redefine the cordless lawn mower with the 20 in. 40-Volt Brushless Lithium-Ion Cordless Electric Self-Propelled Lawn Mower. This self-propelled mower features rear wheel drive, providing more traction for powering up hills and increased control for easily mowing in straight lines. This mower delivers GAS-LIKE power from an intelligent brushless motor with load-sensing technology, which allows it to detect and deliver the power needed to maintain an optimal cutting speed, maximizing power and run time. Equipped with a large 20 in. deck and 2-in-1 mulching and bagging option, you can get you lawn work done quickly and just the way you like it. This mower also includes convenient, easy-to-use features that make it a great option for any user. With its easy start and 7-position single-point height adjustment, start mowing in seconds without the hassle of gas and oil. Adjustable telescopic handles allow you to set the perfect height for you to maximize comfort and reduce fatigue. This mower has quick released knobs and is designed to be stored vertically for easy and compact storage. It is equipped with a 5.0 Ah 40-Volt Lithium-Ion high-capacity battery for extended run time. The included battery and charger are compatible with any of the RYOBI 40-Volt tools. Backed by a 5-year warranty.