The MSA 60 C-B is the lightest chainsaw in the STIHL AK Homeowner Battery System and packs powerful performance in a convenient, lightweight package—ideal for general yard maintenance and firewood cutting. Featuring long run times for homeowners, this chainsaw can run for up to 40 minutes when paired with the AK 20 battery. Run time may vary based on battery type, charge level and capacity, model, operating style, and conditions. Batteries and chargers can be purchased separately or as a combined set with tool. View Our Usage Chart