Meet the next-generation in cutting-edge grass-grooming tech in the legendary line-up of iON yard garden tools: the 100V 20 -inch Cordless Lawn Mower from Sun Joe. Powered by the latest revolution in the legendary iON series, Sun Joe features high-capacity, 100V lithium-ion battery cells that deliver no-fade power performance, with zero carbon emissions for cleaner air. Choose from 2 power options to suit your project. Pick a 2.5 Ah battery for mid-size lots and up to 45-minutes of mowing time or upgrade to a 5.0 Ah battery for larger lots and up to 90-minutes of continuous runtime. iONs 1000-Watt brushless motor is engineered for efficiency, providing you with maximum motor performance and extended motor life to keep your mower running stronger, longer. Sun Joes iON takes the labor out of mowing your yard. The variable, self-propelled motor saves you time and energy, moving the unit forward for an effortlessly beautiful lawn without all of the stra-inch iONs adjustable speed settings let you set the perfect pace choose how fast or slow you want to go with the integrated speed dial. Customize your cutting height with iONs 7-position manual height-adjustment lever choose from 1.2 -inch, 1.57 -inch, 1.97 -inch, 2.36 -inch, 2.76 -inch, 3.35 -inch and 3.75 -inch for the perfect, precise cut tailored to your yard. Sun Joes included 13.2 Gal. grass-collection bag makes disposing of lawn clippings quick and easy.