4.0AH 18V/20V Li-ion Battery For WA3512 WA3512.1 WA3525 WA3520 Rockwell RW9
For WA3525 WA3520 WA3512,WA3511,WA3512.1,WA3732,WA3847,WA3575,WA3578. Cell Type: Lithium-ion (Li-Ion). Do not put battery into water and fire. For WORX WG151, WG151.5, WG155, WG155.5, WG160,WG163,WG251, WG251.5, WG255, WG540,WG545, WG540.5, WG890, WG891.