The RYOBI 40-Volt HP 21 in. Multi-Blade Cordless Push Lawn Mower delivers the power of gas with the convenience of cordless. The premium HP brushless motor provides more power, longer runtime, and a longer motor life. It starts with just a push of a button, without the hassle of gas, oil, or maintenance. This mower is ideal for yards up to 1/2 acre, featuring dual active battery ports and a 40-Volt 7.5Ah battery that provides up to 50-minutes of runtime. The CROSS CUT Multi-Blade System offers 2-blades for superior cutting performance or a single blade for longer runtime. The durable 21 in. deck is lightweight, resists corrosion, and is covered by a lifetime warranty. The mower has a large 10 in. high wheel design for easy maneuverability and the deck features 7-position single point height adjustment to easily select your grass height between 1.5 in. and 4 in. With the 3-in-1 mowing functions you can choose between bagging, mulching, or side discharge functions. An easy lift single motion bag removal allows you to quickly and easily empty the grass catcher bag and 1-touch aluminum handles fold for compact, vertical storage. This mower includes a 40-Volt rapid charger to charge your batteries 4X faster than the standard charger. This mower is proudly made in the USA with global materials and is backed by a 5-Year Tool Warranty.