This part is commonly Used on models:
20647 Carefree Electric WPM, 24 VDC
20649 Carefree Electric WPM, 36 VDC
10120 24V Cordless Mower
10122 Cordless Mower
10123 Cordless Mower
20648 Carefree Electric WPM, 24 VDC
20650 Carefree Recycler Electric Mower, E36
20052 Carefree Recycler Electric Mower, E24
