Lightweight cordless chainsaw for grounds maintenance and basic chainsaw work. 25% more cutting performance than the MSA 120 C-B. Softgrip handle, quick and convenient chain change with STIHL Quick Chain Tensioning, QuickStop Super chain brake, oil tank with transparent viewing window, high cutting performance due to a 1/4″ PM3 saw chain.
Standard equipment
AK 20 
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). Compatible with AL 101, AL 100, AL 300 and AL 500 chargers.
| Technical specifications | Value |
|---|---|
| Battery weight | 1,2 kg |
| Rated voltage | 36 V |
| Battery cell technology | Lithium-Ionen AK-System |
| Battery energy content 1) | 144 W·h |
AK 30
Compact lithium-ion battery for the STIHL AK-System with a voltage of 36 V and a capacity of 180 Wh. Battery life depends on the device type. With charge level indicator (LED). Compatible with AL 101, AL 100, AL 300 and AL 500 chargers.
| Technical specifications | Value |
|---|---|
| Battery weight | 1,3 kg |
| Rated voltage | 36 V |
| Battery cell technology | Lithium-Ionen AK-System |
| Battery energy content 1) | 180 W·h |
| Battery life MSA 140 C-BQ 2) | 45 min |
Technical specifications
| Technical specifications | Value |
|---|---|
| STIHL Oilomatic saw chain type | Picco Micro 3 (PM3) |
| Rated voltage | 36 V |
| Weight 1) | 2,7 kg |
| Weight without battery | 2,2 kg |
| Sound power level 2) | 94 dB(A) |
| Vibration level left/right 3) | 4,3/4,8 m/s² |
| Rollomatic E, cutting length | 30 cm |
| Chain pitch | 1/4″P |
| Battery Technology | Lithium-Ion AK-System |
| Battery run time with AK 10 4) | up to 18 min |
| Battery life AK 20 4) | up to 40 min |
| Battery run time with AK 30 4) | up to 45 min |
| Sound pressure level 5) | 83 dB(A) |
