The M270 21-in. 159cc Fwd Self-Propelled Mower with V20* Battery Start features a 159cc automatic choke engine for maximum performance and is also equipped with a V20* push button start that provides quick and easy starting every time. The Lithium-ion V20* battery can also be used in a variety of other outdoor products as well as power tools on the CRAFTSMAN® V20* system. A 3-in-1 deck allows you to discharge, mulch to help put nutrients back in your soil for a healthier lawn, or use the 1.9 bushel Dust Blocker bag for easy clean up or composting while reducing in-air dust and debris. The dual-lever, 6 position height adjustment makes it easy for you to change the cutting heights while mowing.