Electric lawn mower battery compartment

An electric lawn apparatus comprising:

• a frame including an upper body and two side plates extending downwardly from sides of the upper body defining a cavity therein, and a lower support body extending forward along a lower plane than the upper body;
• an operator seat mounted on the upper body;
• a battery compartment formed within the cavity configured to receive a plurality of battery packs therein, wherein each battery pack in the plurality of battery packs is separately receivable horizontally into the battery compartment along a rear-front axis of the electric lawn apparatus in a side-by-side orientation, wherein each battery pack has a maximum rated voltage of approximately 40V to 80V;
• two drive motors secured to the two side plates away from the cavity;
• and
• a mow deck secured below the lower support body of the frame, the mow deck supporting a plurality of deck motors each driving at least one mow blade,
• wherein a ratio of a cumulative energy output of the plurality of battery packs to a lateral distance between the two drive motors is greater than or equal to approximately 0.23 kW/cm.