Lightweight and easy-to-use, this battery-powered trimmer is ideal for suburban yards.

Get great value with the STIHL FSA 57 lithium-ion trimmer. A lightweight, battery-powered trimmer, the FSA 57 is an ideal choice for maintaining suburban yards. This trimmer cuts an 11" swath at a continuous high speed, saving time and doing more with a STIHL AK System battery. With an AK 10 battery, this trimmer weighs less than eight pounds and has a run time of up to 25 minutes* On A Single Charge™. For comfort and convenience, this unit features an adjustable shaft to customize height, an easy-to-use AutoCut® head which feeds noise-reducing line, and a bump guard to help trim carefully around obstacles like trees and shrubs. The FSA 57 trimmer is available as a stand-alone unit or as a value-priced set with the AK 10 battery and AL 101 battery charger. Other battery options are available.

*Run time may vary based on battery type, charge level and capacity, model, operating style, and conditions.

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FSA 57 (Unit Only) Features & Benefits

  • TapAction™ AUTOCUT® Head - With the TapAction™ AutoCut® cutting head, experience easy line refilling by simply tapping the head to feed the line.
  • Loop Handle - A thumb screw allows the ergonomic loop handle to be easily adjusted to desired position without tools.
  • Multi-Function Control Handle - Having easy access to all of the controls on one comfortable handle makes it easy to complete tasks so the operator’s hand never has to leave the handle.
  • Hanging Loop - Hang your cordless trimmer securely on a wall to save space using the loop in the handle housing.
  • Lightweight Portability - This product is lightweight for easy portability, great maneuverability, and extended use.
  • Retaining Latch - All STIHL battery-powered products feature a retaining latch that is designed to prevent the unit from unintentional starts when the battery is inserted.
  • High-Tech Polymer Housing - Housings are lightweight, withstand greater impact, and are corrosion-resistant.
  • Throttle Trigger Interlock - This safety feature must be depressed before the trigger can be activated.
  • Reduced-Emission Engine Technology—Caring for Nature - The STIHL Inc. “Caring for Nature” seal identifies its powered products that are more environmentally conscious, producing zero or low exhaust emissions. STIHL Inc. defines “low exhaust emissions” as being cleaner than EPA and/or CARB exhaust emission standards.
  • Made in America - A majority of STIHL products sold in America are made in America of U.S. and global materials.

FSA 57 (Unit Only) Specs & Compare

Rated voltage36 V
Max. voltage40 V
Power consumption0.40 kW
Power0.28 kW 1)
Cordless power systemAK
Recommended batteryAK 10
Device weight without battery5.9 lb 2)
Cutting circle diameter280 mm
IP RatingN/A
Max. battery working time AK 10 with line mowing head25 min 3)
Max. battery working time AK 10 with plastic blade mowing head50 min 3)
Max. battery working time AK 20 with line mowing head50 min 3)
Max. battery working time AK 20 with plastic blade mowing head100 min 3)
Max. battery working time AK 30 with line mowing head60 min 3)
Max. battery working time AK 30 with plastic blade mowing head120 min 3)
Max. battery working time AK 30 S with line mowing head60 min 3)
Max. battery working time AK 30 S with plastic blade mowing head120 min 3)
Max. area per battery charge AK 10125 m² 4)
Max. area per battery charge AK 20250 m² 4)
Max. area per battery charge AK 30300 m² 4)
Max. area per battery charge AK 30 S300 m² 4)
Max. lawn edge per battery charge AK 10625 m 4)
Max. lawn edge per battery charge AK 201250 m 4)
Max. lawn edge per battery charge AK 301500 m 4)
Max. lawn edge per battery charge AK 30 S1500 m 4)
Device length without cutting tool149 cm

1)Mechanical power as comparative value to petrol appliance2)without cutting tool and protection3)The indicated working times per battery charge are indicative and may vary depending on the application and operating mode4)The stated area output per battery charge may vary depending on the application and operating mode