Looking for an efficient and eco-friendly lawn maintenance solution? The Greenworks 80-Volt 21-Inch Self-Propelled Lawn Mower with a 4.0Ah battery is designed to make short work of any grass, powered by clean energy in just minutes. Perfectly suited for the avid gardener or professional landscaper, this compact unit features powerful performance and durability. Enjoy easy operation on sloped surfaces thanks to its self-propulsion system. With an initial price of Green $439, it's a great investment for those seeking sustainable care without breaking the bank.