1, 4.0AH 18V Li-ion Battery: Type: LG or Sony Li-ion Cell Voltage: 18V (Also working with worx 20V tools) Capacity: 4000mAh Weight: 410g per battery with package Replacement Part: WORX WA3512.1 WA3512 & Rockwell RW9161 WA3525 WA3520 Compatible Models: WG151, WG251, WG540 Noted: The battery pack can be used for WORX WG151 trimmer/edger, WG251 hedge trimmer, WG540 blower/sweeper, and the WG891 quicksaw etc. Any 18V Rockwell or Worx Slide Type Tools. All the battery packs have been well tested on WORX original tools and chargers before shipment to guarantee quality and performance.
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