The Greenworks 40V Mower features a 21 inch steel deck, dual blades, dual battery ports with automatic switchover, 5-position single handle height adjustment, push button start, 4-year tool, 2-year battery warranty.

Greenworks LMF403 21-Inch 40V Cordless Brushless Self-Propelled Lawn Mower

• Greenworks 40V brushless mower provides up to 45 minutes run-time with fully charged 5Ah battery. Run-time varies based on grass condition and operator technique
• Durable 21″  allows you to handle large areas of grass quickly and easily. Brushless motor provides more torque, quiet operation, and longer life
• Self-propelled rear wheel drive can be easily adjusted to your stride
• Dual battery port design enables one battery to be stored while the other fuels the mower, saving you a trip to the garage. 7 position single lever height adjustment for quick and easy adjustments
• 3-In-1 design allows you to mulch, rear bag, or side discharge your grass clippings. Use up to 70% less space in your garage with the vertical storage feature