HUSQVARNA Battery BLi30

Husqvarna BLi30 is a powerful, integrated 270Wh Li-Ion battery for part-time use. Provides excellent runtime and extra power for demanding applications such as those of the 300-series Husqvarna battery products. Features 4-LED charge indicator and can be cooled actively. Rechargeable up to 600 times.

Suitable models - https://www.husqvarna.com/ie/battery-equipment/battery-bli30/