This is a generic, equivalent one, 100% compatible! 18V (Also working with worx 20V tools) 1300mAh replacement/equivalent WA3512.1 WA3512 battery is 100% compatible with WORX WA3512.1 WA3512 WG151 WG251 WG540 WG891 WG160 WG166 WG165 WG170 WG890 Power Tools.

Replaces the following WORX battery model:
For WORX WA3512.1 WA3512 & Rockwell RW9161 WA3525 WA3520
For AL-KO:WA3512 WA3525 WA3520 WG545 WG155 WG255

Compatible with Power Tools models:
For Worx WG151, WG151s, WG151.5, WG251.5, WG151E
For Worx WG155, WG155.5, WG155s,
For Worx WG157, WG156
For Worx WU287
For Worx WU381
For Worx WX163, WG180
For Worx RW9161,
For Worx WG251, WG251, WG251.5, WG251s, WG255
For Worx WG540, WG540.5, WG540s, WG891
For Worx WG160.4, WG160.3, WG160.2, WG160.1, WG160
For Worx WG166.1, WG166, WG165, WG170.1, WG170, WG890, WG891

For Rockwell WG151
For Rockwell WG251
For Rockwell WG540
For Rockwell RK2800K2, RC2804K2

For AL-KO Rasentrimmer GTLi
For AL-KO Trimmer GTLi 18V Comfort
For AL-KO Heckenschere HT 18V Li

Noted: The Replacement 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.

Note:
It's recommended that the battery should be fully charged and discharged 3 times after you receive the battery.
For transport safety, our batteries are not fully charged before leave the factory.
After use, please charge the battery after cooling.

Specifications:
◆ Product type: generic/equivalent
◆ Condition: brand new, 1 year warranty!
◆ Voltage: 18V (Also working with worx 20V tools)
◆ Capacity: 1300mAh
◆ Battery Type: Li-ion

Package Includes:
1X 18V Replacement Tools battery for WORX WA3512.1 WA3512 WG151 WG251 WG540 WG891 WG160 WG166 WG165