The STIHL FSA 57 battery-powered trimmer is an ideal choice for maintaining residential yards. This lightweight trimmer cuts an 11“ swath at a continuous high speed. The trimmer with battery weighs just 7.5 pounds and has a run time of up to 20 minutes on a single charge. For comfort and convenience, this unit features an adjustable shaft to customize height to the user, an easy-to-use AutoCut head which feeds noise-reducing line and a bump guard to help the user trim carefully around obstacles like trees and shrubs.