If you don't yet have a suitable STIHL battery and charger, this set with a STIHL AK 20 battery and a STIHL AL 101 standard charger is the ideal choice. It includes everything you need to operate your STIHL AK System machine. Please consult our overview of STIHL battery run and charge times to find out how long you can work with your STIHL machine and chosen battery, as well as how long it takes to recharge a depleted battery. Special features: Starter set with AK 20 battery and AL 101 charger, compatible with all machines of the STIHL AK battery system. Included as standard: AK 20 battery, AL 101 charger.