Overview
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.
Features
Hanging Loop
Hang your cordless trimmer securely on a wall to save space using the loop in the handle housing.
High-Tech Polymer Housing
Housings are lightweight, withstand greater impact, and are corrosion-resistant.
Lightweight Portability - Universal
This product is lightweight for easy portability, great maneuverability, and extended use.
Loop Handle
A thumb screw allows the ergonomic loop handle to be easily adjusted to desired position without tools.
Made in America
A majority of STIHL products sold in America are made in America of U.S. and global materials.
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.
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.
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.
TapAction™ AUTOCUT® Head
With the TapAction™ AutoCut® cutting head, experience easy line refilling by simply tapping the head to feed the line.
Throttle Trigger Interlock
This safety feature must be depressed before the trigger can be activated.
Specifications
| Max. area per battery charge AK 10 | 125 m² |
| Max. lawn edge per battery charge AK 10 | 625 m |
| Max. battery working time AK 10 with line mowing head | 25 min |
| Max. battery working time AK 10 with plastic blade mowing head | 50 min |
| Max. area per battery charge AK 20 | 250 m² |
| Max. lawn edge per battery charge AK 20 | 1250 m |
| Max. battery working time AK 20 with line mowing head | 50 min |
| Max. battery working time AK 20 with plastic blade mowing head | 100 min |
| Max. area per battery charge AK 30 | 300 m² |
| Max. lawn edge per battery charge AK 30 | 1500 m |
| Max. battery working time AK 30 with line mowing head | 60 min |
| Max. battery working time AK 30 with plastic blade mowing head | 120 min |
| Max. area per battery charge AK 30 S | 300 m² |
| Max. battery working time AK 30 S with line mowing head | 60 min |
| Max. battery working time AK 30 S with plastic blade mowing head | 120 min |
| Max. lawn edge per battery charge AK 30 S | 1500 m |
| Device length without cutting tool | 149 cm |
| Rated voltage | 36 V |
| Max. voltage | 40 V |
| Power consumption | 0.40 kW |
| Power | 0.28 kW |
| Recommended battery | AK 10 |
| Device weight without battery | 5.9 lb |
| Cutting circle diameter | 280 mm |
| Cordless power system | AK |
