The Yard Force YF120vRX 21” 3-in-1 mower is the market leader in Lithium-Ion powered mowers. The powerful brushless motor has the torque and runtime of a gas-powered mower and ideal for yards up to 1/2 acre. Advanced features include: brushless motor with push-button start, 21” steel deck easily converts from bagging to mulching to side-discharge, single-lever height adjustment, high-capacity hybrid grass bag, quick-release adjustable and folding handle. The YF120vRX Lithium-Ion product group produces the power, torque and runtime of gas-powered products without the mess, smell, maintenance and hassle of a gas engine. The advanced cell design of the high capacity 120v / 2.5 Ah battery powers these tools right through the end of the charge without any “drop-off” for consistent power and the fast charger gets them back to full charge quickly. All products in the Yard Force 120vRX Series use the same battery for convenience and ease-of-use.