Lithium-ion battery is compatible with all rechargeable machines of the Fast Power 20V battery series.It is characterized by extremely long life and endurance and mostly balanced performance throughout its life cycle, as well as low weight.The difference in performance between a fully charged and almost diluted battery is minimal, which you will feel during long-term work, whether in the garden or in the workshop.It works without memory effect, so you can load it at any stage of dilution without compromising its capacity.There is protection against overload, overheating and deep dilution and minimal propensity to self-dilution so as to give excellent performance even after a long period of storage.With LED indication of the state of charge directly on the battery.Capacity: 4000 mAh.Weight: 0.8 kg. 
On request