The WORX 20" Cordless Mower, 40V Li-ion. WX 40V MaxLithium battery delivers gas-like power. 3-in-1 mower: mulches, bags, side discharges: FEATURES, Steel cutting deck with premium mulching capabilities, Steel cutting deck with premium mulching capabilities, 2 Removable/ detachable batteries that can cut up to 1/4 acre per charge, Dual port charger can charge two batteries at once, One-touch fully collapsible handle and compact stand up storage, Quick single lever cutting height adjustment, Dual 20V Power Module batteries delivers 40V Power and Performance, 40V MaxLithium battery delivers gas-like power. 3-in-1 mower: mulches, bags, side discharges.