An agricultural baler includes: a chassis; a plurality of wheels carried by the chassis; at least one electric wheel motor coupled to at least one of the plurality of wheels and configured to drive the at least one coupled wheel; an apron assembly including a plurality of chains driven by a plurality of rolls and configured to form a bale, the plurality of rolls including a starter roll; an electric drive motor coupled to the starter roll and configured to drive the starter roll; and an electrical power system carried by the chassis and having at least one battery electrically coupled to the at least one electric wheel motor and the electric drive motor.