AK 20


Compact and versatile lithium-ion battery for the AK Battery power system with a voltage of 36V and a capacity of 144 Wh. Battery life depends on the tool / skin. With charge level indicator (LED). Compatible with AL 101, AL 100, AL 300 and AL 500 chargers.

  • Lightweight lithium-ion battery
  • 144 Wh of battery power, weight 1.2 kg
  • Compatible with all power tools in the STIHL cordless AP system
  • 4 practical LEDs for indicating charging status and power content


    Battery weight 1.2 kg
    Rated voltage 36 V
    Energy content 144 W·h 1)
    Rated capacity as per IEC 61960 3.9 A·h
    Rated cell capacity (as per manufacturer data) 2 A·h 2)

    1)Power capacity according to the specifications of the cell manufacturer. The actual power capacity available during operation is lower, to increase service life
    2)Specifications of the cell manufacturer

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