The AK20 is a compact Lithium-Ion battery for the STIHL AK System with a voltage of 36 V and a capacity of 144 Wh. Battery life depends on the device type. With charge level indicator (LED). Technical data Value Battery weight kg 1.2 Rated voltage (V) V 36 Capacity Wh 1) 144 Battery cell technology Lithium-Ion AK system
