Part of the STIHL AK Series, the AK 10 battery delivers an incredible power-to-weight ratio at an affordable price. The battery weighs only 1.8 lbs. and is great for applications where reduced weight is preferred. Indicator lights show the battery level of charge, so you can plan your productivity accordingly. Inside the battery, sensors monitor the temperature and automatically shut the battery down if it becomes too hot. Check it out, as well as all our STIHL battery products, at our Dealership today! Run time may vary based charge level and operating style.