Truly durable, high capacity (31.1 Ah) backpack battery for highest productivity and longest runtime. Robust design guaranteed for daily outdoor work in all weathers. LED charge indicators on a battery pack, plus exact battery charge percentage readable from adapter simplifies work planning for the user. Advanced ergonomic harness allows a perfect fit, and the easily detachable battery pack means users can share batteries freely without swapping harnesses. Detachable support foot for free-standing use ensures all-day comfort and productivity and reduces the risk of the harness getting wet and dirty.
Fits to model
To use this the Battery Backpack BLi950X for the W520i Walk-Behind Battery Lawn Mower the required add on is needed:
Adapter Plate Kit W520i ($49)