The Stihl AK battery system combines versatility and quality for all gardening tasks. You can select the right AK lithium-ion battery for your Stihl tool that is best suited to your work. Thanks to the LED charge level indicator, you can always see when and for how long the battery is ready for use. The lightweight lithium-ion batteries with a rated voltage of 36 V are not only particularly versatile, but also durable and extremely long-lasting. They make light work of even the most demanding gardening tasks. You can recharge the Stihl AK batteries with the Stihl AL 101 standard battery charger or a Stihl AL rapid battery charger. The Stihl AK rechargeable batteries are available with different energy contents: AK 10 with 72 Wh battery energy and 0.8 kg weight, AK 20 with 144 Wh battery energy and 1.2 kg weight, AK 30 with 180 Wh battery energy and 1.3 kg weight. Regular care, correct charging of the lithium-ion battery and a suitable environment for storing the battery will help to ensure a long service life. In the Stihl battery run and charging times overview, you can see how long you can work with your Stihl cordless tool and how long the respective AK battery needs to charge. You can also see which AK battery is recommended for your Stihl tool.