The Greenworks 21 inch 40v Self-Propelled Mower is ideal for yards up to 0.5 acres. This tool is lightweight and starts instantly. It requires virtually no maintenance, which means no oil changes, air filters or gas cans are necessary. This may be a battery-powered lawnmower, but it still delivers gas-like power. With folding capabilities, this tool can be more easily stored. The Greenworks self-propelled mower is primarily black with vibrant green accents. Accessories such as a mulcher, side discharge attachment, storage bag, battery and charger are included with the lawnmower. The battery included is compatible with Greenworks' collection of more than 40 lawn tools. There is no need to get multiple batteries as one could power all of the tools you need. Features of Greenworks 40V 21 in. Cordless Brushless Self-Propelled Lawn Mower: Highly efficient brushless motor provides more torque, quiet operation and longer life Up to 30 mins. of runtime on fully charged battery Durable steel 21 in. cutting deck gets the job done quicker and more efficiently The convenient 3-in-1 cutting deck lets you choose your cut finish from mulching, bagging or side discharge Self-propelled drive system with variable speed rear-wheel drive lets you easily maneuver and tackle any terrain Single lever 7-position height adjustment from 1-3/8 in. to 3-3/4 in. No gasoline, no pull cord, no spark plug, no maintenance Hassle free push button start Includes 5.0 Ah battery & charger 3-year warranty What's Included: (1) 40V 21in. Self-Propelled Brushless Cordless Lawn Mower (1) Grass Collection Bag (1) 5.0 Ah Battery (1) Battery Charger (1) Owner's Manual