2026 STIHL Batteries and Chargers AK 20
- Year 2026
- Make STIHL
- Model Batteries and Chargers
2026 STIHL Batteries and Chargers AK 20
Dependable battery with increased performance over the previous model.The redesigned AK 20 battery features increased performance over the previous model and runs at full power over the entire battery run time. Easy-to-read LED display lights indicate battery charge. Compact and lightweight, this battery provides optimal power and performance for your AK System tools with minimal loss of charge during storage. Ideal for select AK System tools, the AK 20 battery provides optimal run times for the MSA 120 C-B, FSA 60 R, HLA 56, HTA 50, BGA 57, and SHA 56.
Features may include:
Constant Power- CONSTANT POWER, REGARDLESS OF BATTERY CHARGE STATUS. With other brands of battery tools, the performance usually decreases during work as the battery discharges. This is not the case with STIHL cordless power tools with CONSTANT POWER. Thanks to the intelligent electronics, your STIHL power tool works with consistently high power.
Battery
Battery
cell technology: LITHIUM-ION
Battery Capacity, Maximum
Rated as per IEC 61960: 4 A·h | Rated cell (as per manufacturer data): 2 A·h
Electric
Electrical
Rated Voltage: 36 V | Max. voltage: 40 V
Dimensions
Width
118 mm
Height
108 mm
Length
78 mm
Weights
Weight
1.2 kg
Features
Features
Number of LEDs: 4