DescriptionThe STIHL AK 20 Cordless is a lightweight 36 V Lithium-Ion battery which is compatible with the STIHL AK Compact Cordless Power System. It features a charge level indicator on the top with 4 LEDs so you can see exactly how much charge you have available quickly and easily, at the touch of a button. This is the recommended battery for the FSA 57 grass trimmer and HSA 56 hedge trimmer and has been designed to balance perfectly with those tools. Charging this battery with the AL 101 charger will take approximately 80 minutes.
