WA3520 4.0Ah Replacement for Worx 20V Battery Lithium Ion Battery WA3578 WA3525 WA3520 WA3575 WG151s WG155s WG251s WG540s WG890 WG891 WG255s WG545s Cordless Power Tools,2Pack

【Battery Specification】Voltage: 20V | Capacity: 4000mAh | Type: Lithium ion | Black | 2 PACK 【Battery Feature】DASNITE WA3520 Perfectly Compatible with WA3520, WA3525, WG151s, WG155s, WG251s, WG255s, WG540s, WG545s WG890, WG891 series. Also compatible with the original Worx WA3847 rapid charger and Worx WA3732 charger. 【Product Certification and Quality Assurance】WA3520 Replacement Battery is CE/FCC/RoHS triple certified, and the core performance tested by the original manufacturer meets or exceeds the OEM specifications, guaranteeing stable power supply.