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.

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.
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.
Made in America: A majority of STIHL products sold in America are made in America of U.S. and global materials.
Includes: AK 10 Battery and AL 101 Charger.

The pictures shown are sample photos. The actual appearance of the equipment features and their specific attachment to the product may differ from the pictorial representations, but will have the same functionality.

Improper use of any power tool may cause serious or fatal injury. Read, understand, and follow carefully the operating and safety instructions in your instruction manual before using such products. STIHL products sold through U.S. STIHL Dealers are for distribution in the United States only.

Specifications

Rated voltage	36 V
Max. voltage	40 V
Power consumption	0.40 kW
Power	0.28 kW**
Cordless power system	AK
Recommended battery	AK 10
Device weight without battery	5.9-Lb***
Cutting circle diameter	280-mm
IP Rating	N/A

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. 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. 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. 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. area per battery charge AK 10	125 m²*****

Max. area per battery charge AK 20	250 m²*****
Max. area per battery charge AK 30	300 m²*****
Max. area per battery charge AK 30 S	300 m²*****
Max. lawn edge per battery charge AK 10	625 m*****
Max. lawn edge per battery charge AK 20	1250 m*****
Max. lawn edge per battery charge AK 30	1500 m*****
Max. lawn edge per battery charge AK 30 S	1500 m*****
Device length without cutting tool	149-cm

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

**Mechanical power as comparative value to petrol appliance.

***Without cutting tool and protection.

****The indicated working times per battery charge are indicative and may vary depending on the application and operating mode.

*****The stated area output per battery charge may vary depending on the application and operating mode.

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