Description
AK 20 battery
* Lightweight lithium-ion battery
* Compatible with all battery tools in the STIHL AK System
LONG LIFE
VERY LONG BATTERY LIFE. STIHL AP system batteries are extremely durable and resistant. They are designed for particularly high demands, as can typically occur in very intensive applications with high power requirements in the professional sector. The is based not only the exceptionally robust design, but also the special, particularly long-lasting battery cell technology. Thanks to their intelligent electronics, these STIHL batteries can also be charged more often and faster than average.
## AK 20 battery: Lightweight lithium-ion battery for robust residential use
The **STIHL battery AK system** combines **versatility and quality for all kinds of yard work**. You can also **select the right AK lithium-ion battery for your STIHL power tool** that is best suited to your job. Thanks to the **LED charge level indicator**, you always have an overview of when and how long the battery is ready for use.
The lightweight lithium-ion batteries with a nominal voltage of 36 V are not only particularly **versatile**, but also long-lasting and extremely **durable**. This makes even **demanding yarding tasks straightforward**. You can recharge STIHL AK batteries with the **STIHL AL 101 standard charger** or a **STIHL AL quick battery charger**.
Regular maintenance, correct **charging of the lithium-ion battery** and the appropriate environment for **storing the battery** all help to ensure a long service life.
In our overview of the [**STIHL battery life and charging times**](https://www.stihl.ca/en/technology/battery-technology/battery-info), you can see how long you can work with your STIHL battery power tool and how long the respective AK battery takes to charge. The overview also shows which AK battery is recommended for your STIHL power tool.
