US Patent 9210839 Riding lawn mower including battery powered cutting system

A drive system of a battery powered riding lawn mower is provided. The drive system may include a battery system mountable to a frame, an electric drive motor and a cutting deck. The electric drive motor may be powered by the battery system and coupled with an axle and a wheel such that when the electric drive motor is powered, the electric drive motor is configured to provide rotation force to the wheel. The cutting deck maybe attached to the frame and powered by the battery system. The cutting deck may include at least one electric blade motor separate from the electric drive motor and configured to rotate at least one cutting blade rotatably mounted in the cutting deck.