An electric mower includes: a body; a battery on the body; a cover including: a back wall backward of the battery; and a left side wall and a right side wall each extending forward from the back wall, the cover covering at least a portion of the battery; at least one motor drivable by the battery; and at least one controller disposed between the battery and at least one of the left and right side walls and configured to control the at least one motor.

An electric mower includes: a body; a battery on the body; at least one motor drivable on electric power from the battery; a mower unit drivable on motive power from the at least one motor; a support member disposed below the battery and held by the body, and at least one controller supported by the support member and configured to control the at least one motor, the body including an engagement section, the support member including a hook section, the support member being attachable to and detachable from the body with the hook section engaged with the engagement section.

A mower includes a chassis, a tractive element coupled to the chassis, and a mower deck coupled to the chassis. The mower deck includes a housing, a cutting element rotatably coupled to the housing, and an electronic commutation (EC) motor coupled to the housing and the cutting element. The mower also includes a control system configured to operate the mower deck in a cutting mode where, during the cutting mode, the EC motor is controlled to drive the cutting element for cutting grass, and operate the mower deck in a debris clearing mode where, during the debris clearing mode, the EC motor is controlled to drive and then abruptly stop the cutting element to generate a shock through the mower deck for clearing grass accumulation between the housing and the cutting element.