The Greenworks R0200654-00 Lawn Mower Power Control Board 80V helps regulate and distribute electrical power for compatible 80V lawn mowers. It works by managing the flow of power between the battery, motor, and other electrical components, supporting smooth operation and dependable mower performance. Made to replace a faulty or damaged power control board, it helps restore reliable p... https://www.wholetoolbox.com/greenworks-r0200654-00-lawn-mower-power-control-board-80v/R0200654-00.html