AK system: For demanding projects
The AK system impresses with high performance and endurance. The compact battery power tools are lightweight, handy and ergonomic.
18.01.2026
Advantages of the AK system
The battery of the AK system can be flexibly combined with different power tool categories.
- Powerful: Suitable for medium-sized gardens and ambitious tasks.
- Versatile application: Compatible with a wide range of garden tools.
- Ergonomic: Comfortable handling thanks to a lightweight and perfectly executed design.
- Long runtime: Batteries provide sufficient energy for longer applications.
Power tool categories in the AK system
Equipment and function of the AK system
AK system batteries and chargers
Specifications of the batteries in the AK-System
| AK 10 | AK 20 | AK 30 S | |
|---|---|---|---|
| Battery weight | 0,8 kg | 1,2 kg | 1,3 kg |
| Energy content | 72 Wh1) | 144 Wh1) | 180 Wh1) |
| Max. power | + | ++ | ++ |
| Equipment and function | CONSTANT POWER - |
CONSTANT POWER - |
CONSTANT POWER POWER BOOST |
1) Energy content according to the cell manufacturer's specifications. To increase service life, the energy content available in the actual application is lower.
Comparison of the technical details of our AK system chargers
The following table for the AK system gives you an overview of the technical details regarding charging processes and performance.
| AL 101 | AL 301 | |
|---|---|---|
| Charging times 80% / 100% e.g. AK 30S | 160 min / 205 min | 35 min / 60 min |
| Power consumption | 0.08 kW | 0.3 kW |
| Charging current | 1.6 A | 6.5 A |
STIHL AK system
The AK system stands for efficient power and ease of use. AK batteries are easy to combine with all the power tools in the AK system. Many applications are possible, ranging from grass trimmers to hedge trimmers.
From lawn trimmers to hedge trimmers, the AK system includes what you need for many applications around the home and garden. Discover the AK system tools in our video playlist. Get an overview and see how selected devices from the AK system effortlessly trim high hedges and create crisp lawn edges, for example.
All questions and answers about the AK system
The STIHL AK system is a powerful battery power system for ambitious gardening tasks within domestic applications.
“STIHL AK 20” stands for a battery from the AK system, which is positioned between the other two batteries in the system in terms of energy content and weight (144 Wh at 1.2 kg): the AK 10 (72 Wh at 0.8 kg) and the AK 30 S (180 Wh at 1.3 kg).
The STIHL AK system is suitable for ambitious gardening tasks in domestic applications, while the STIHL AP system is designed for daily professional use.
No, the AK and AP systems are not compatible with each other. The power tools from the AK system may only be used with the batteries from the AK system. The same principle applies to the AP system.
