Cut your lawn down to size with the convenient 21 in. 56-Volt Lithium-Ion Cordless Battery Walk Behind Self Propelled Lawn Mower – Without Battery and Charger. This innovative walk-behind lawn mower uses long-lasting 56-volt lithium-ion batteries, not included, to power a blade with 21 inches of cutting capacity. Use a single lever to easily adjust the six-position deck for accurate cutting of your lawn. From professional lawn care services to your own backyard, this rugged walk-behind lawn mower can handle it all. Turn on the self-propelled feature to glide across the lawn, uphills and around curves for added convenience. When the sun starts to set and thereâ€TMs still work to be done, light your way with included LED headlights. Itâ€TMs easy to clean up messes with the three-in-one technology of bagging, mulching or side discharge. The included grass collection bag holds two bushel and is durable enough for even the toughest jobs. Compare this quiet, lightweigh