Skip to main content
STIHL FSA 57 Lightweight AK20 Battery-Powered Trimmer (Battery & Charger Included)

STIHL FSA 57 Lightweight AK20 Battery-Powered Trimmer (Battery & Charger Included)

  • | SKU FSA5720
In Stock & Ready to Ship
Check In-Store Availability

Product Description

STIHL FSA 57 Lightweight AK20 Battery Cordless Trimmer (Battery & Charger Included) is an excellent choice for homeowners seeking great value and convenience. This lightweight, battery-powered trimmer is ideal for maintaining suburban yards. It efficiently cuts an 11" swath at a consistent high speed, effectively saving time and accomplishing more with a STIHL AK System battery. When paired with an AK 20 battery, this trimmer weighs just 7.7 pounds and offers a run time of up to 27 minutes on a single charge. For user comfort and convenience, it features an adjustable shaft that allows customization of height, an easy-to-use AutoCut® head for feeding noise-reducing line, and a bump guard designed to assist users in trimming carefully around obstacles such as trees and shrubs. Please note that run times may vary based on factors such as battery type, charge level, capacity, model, operating style, and conditions.
  • STIHL FSA 57 Lightweight Battery-Powered Trimmer
  • (1) AK20 Battery
  • (1) AL 101 Charger
Model Number: FSA 57 20


  • Power Source: Battery
  • Weight: 5.9 lbs.
  • Cutting Width: 11 in.
  • Battery System: AK System
  • Voltage: 36 Volt


Misplace the instructions? No problem! Hartville Hardware is here to help. Below is the instruction manual for the STIHL FSA 57 Trimmer. Read it before you buy it, or come back and download it if you have questions.

STIHL FSA 57 Trimmer Instruction Manual

Warranty & Certifications

STIHL Limited Warranty can be found here: Click to View

All STIHL products are warranted for 3 months when the product is used for rental purposes.

All STIHL axes, hedge shears, loppers, pruners, and pruning saws are warranted against defective material or workmanship until the product is no longer available while owned by the original purchaser (other than for the purpose of resale) when used for all applications.

STIHL products sold through U.S. dealers are only for distribution in the United States.



Double limited warranty protection applies to select STIHL battery-powered products, batteries, and chargers purchased for personal, non-income producing household purposes only. At the time you purchase your battery-powered equipment, simply add at least one additional AK, AP, or AR battery to double the life of your standard limited warranty coverage. Other restrictions apply. See dealer for details or refer to STIHL’s Limited Warranty Policy.

Related Products

Related Products:
  • STIHL AL 101 Battery ChargerAL 101
  • STIHL AK 20 Lithium-Ion 36-Volt Battery: AK 20
Related Safety Products:

This Site Uses Cookies We use tracking cookies to provide a better experience for you. These cookies allow us to personalize content and collect browsing data that helps improve our web pages. The information we collect from your visit is securely stored and never shared.