Battery type: Lithium-Ion (Li-Ion), battery system: AK system, accessory type: battery and charger, battery capacity: 4 Ah, voltage: 36 V, capacity watt-hours: 144 Wh
- Battery with 144 Wh energy content and LED charge status indicator
- Charging time on AL 101 approx. 135 min for 80% and 180 min for 100%
- Universally applicable for all devices of the AK system
- Compact design with a battery weight of 1.2 kg
- Starter set battery AK 20 and charger AL 101
- Compatible with all battery devices of the STIHL AK system