SKU: 84598360206

FSA 120 Battery Trimmer

Sale price$238.50 Regular price$265.00
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Ships within 48 hours · Estimated delivery Aug 6 - Aug 11

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For Your Every Summer RSVP, with Code: SUMMER15

Description

FSA 120 Battery TrimmerDescription Designed for landscape professionals and demanding homeowners, the STIHL FSA 120 battery brushcutter delivers powerful performance with exceptional efficiency and comfort. Ideal for maintaining large green spaces, it operates quietly enough to use without hearing protectionmaking it well suited for noisesensitive environments such as schools, hospitals, and city parks. The highperformance EC motor features two adjustable speed settings

Description

Designed for landscape professionals and demanding homeowners, the STIHL FSA 120 battery brushcutter delivers powerful performance with exceptional efficiency and comfort. Ideal for maintaining large green spaces, it operates quietly enough to use without hearing protection—making it well suited for noise‑sensitive environments such as schools, hospitals, and city parks.

The high‑performance EC motor features two adjustable speed settings controlled directly from the handle. ECO mode (level 1) reduces energy consumption to extend battery life during lighter tasks, while level 2 provides maximum power for tackling dense grass and scrub. The variable speed control allows you to match performance precisely to the task at hand.

An ergonomic bike handle ensures comfortable, efficient operation across wide areas. The FSA 120 is compatible with a broad selection of cutting tools and mowing heads, giving you flexibility for a wide range of applications.

Battery and charger sold separately. 

Promotion

Receive a FREE AP 300 S BATTERY when you purchase any AP System tool and an AP 300 S Battery.

This promotion also applies to AP System Mower Sets (RMA 510, RMA 353 and RMA 353 V). Purchase any AP System Mower Set and receive a FREE AP 300 S Battery.

Valid only on purchases made before July 31, 2026

*NOTE*: Although the FREE AP 300 S Battery won’t show in your cart, it will be shipped with your order.

Technical Details
Recommended Battery   AP 300 S
Rated Voltage (V) 36
Power (kW) 0.80
Weight (kg / lbs) 4.5 / 9.9
Cutting Circle Diameter (mm / in) 380 / 15
Sound Pressure Level (dB(A)) 81
Runtime with AP 300 S Battery (min) 110 
Features

Constant Power

CONSTANT POWER, REGARDLESS OF BATTERY CHARGE STATUS. With other brands of battery tools, the performance usually decreases during work as the battery discharges. This is not the case with STIHL cordless power tools with CONSTANT POWER. Thanks to the intelligent electronics, your STIHL power tool works with consistently high power.

Power Levels 

PERFORMANCE SUITABLE FOR THE TASK. You can change the power of your device thanks to 2 different power levels. At level 1, you reduce the power (Eco mode) and extend the battery life. Level 2 allows you to call up full power. This means that you can either work particularly energy-efficiently or use all the power of the device when you need it.

Ergonomic Bike Handle 

EFFORTLESS MOWING OF LARGE AREAS. The ergonomic bike handle helps you mow large areas quickly and effortlessly, as this handle supports a natural brushcutter movement. The bike handle is easy to adjust and secure.

Tool-Free Handle Adjustment 

SET THE BIKE HANDLE POSITION. You can individually adjust the ergonomic bike handle (mowing handle) using the central clamping device. Thanks to the tool-free handle adjustment, you do not need any tools for this. The bike handle can be rotated 90 degrees for transport and space-saving storage.

FAQs

What type of users is the STIHL FSA 120 Battery Trimmer designed for?

The FSA 120 is designed for demanding homeowners and professionals who need high cutting performance, durability, and consistent power for trimming and light brush work.

Which battery system does the FSA 120 use?

The FSA 120 is part of STIHL’s AP Battery System, offering professional-grade power and compatibility with other AP System tools.

Does the FSA 120 have adjustable speed or power settings?

Yes, the FSA 120 features a variable-speed trigger, allowing you to adjust power output based on the task for improved control and efficiency.

What cutting attachments are compatible with the FSA 120?

The FSA 120 is compatible with a range of STIHL cutting heads and metal grass blades, making it versatile for trimming grass, weeds, and tougher vegetation.

Is the STIHL FSA 120 quieter than gas trimmers?

Yes. As a battery-powered trimmer, the FSA 120 operates with significantly reduced noise compared to gas models, making it ideal for noise-sensitive environments.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 84598360206

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4.7 ★★★★★
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Verified Purchase
N. Fasso
Waukegan, US
★★★★★ 4
Great filter, but doesn't fit 2013 Honda Fit without modification
Size: 8.3" x 9.3" x 1.3"
Right off the bat: I don't have any airflow problems with this filter. It works great, the air is noticeably cleaner, and airflow has not been meaningfully reduced. However, it doesn't fit my air filter holder very well. The ' air filter holder' (a plastic tray that slides horizontally into the air flow system) has two plastic fringes on either side of the tray, which each have two small notches in them, a few inches apart from one another. This appears to act as a sort of 'key' by which you can gauge you are putting the filter in with the correct alignment. On an OEM filter, the slots line up with two strips of material that stretch across the length of the filter, which themselves rest within the slots. However, the slots don't line up with the strips on this filter. I had to cut the fringes so that the slots in them are wider, so the strips would fit in them. Without doing this, the filter wouldn't press down into the tray. Having done that, and the filter now rests flush in the tray, there are still marginal gaps around the perimeter of the filter. It's a millimeter or two too small for the tray, so there is some airflow around the filter. This could be rectified by wrapping insulation tape or something around the edge of the filter, or could be ignored if you're not super picky. I haven't added any wrapping to get an airtight seal, and even with that gap I still noticed that the air is way better. So ultimately, it didn't fit exactly, but it fits 90% of the way and, with some finagling, is a superior filter by any other measure.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 3, 2018
L
Verified Purchase
Locutus
Lowell, US
★★★★★ 5
Don't overlook this important bit of maintenance
Size: 8.3" x 9.3" x 1.3"
Cabin air filters get dirty and gross quicker than you realize. I recommend changing them twice a year. Bosch is a quality brand, very happy with it.
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Reviewed in the United States on March 8, 2026
C
Verified Purchase
clutz
Port Orchard, US
★★★★★ 1
Better than Honda Cabin Filter for Allergies -
Size: 8.3" x 9.3" x 1.3"
Installation took all of 3 minutes. Noticeable improvement in air quality (less allergy response) since installation. Others mentioned a reduction in air flow but have not noticed a change. ,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, Update (9/2020) Noticeable reduction in air flow. I have needed to increase the fan speed to make the cabin comfortable. I may be switching brands soon. I will pull the filter at 6 weeks and see if it is getting plugged (yikes). //////////// Update (10/2020) I pulled the Bosch filter expecting it to be plugged due to the lack of air flow. I was surprised to see it was clean. There were are few small pieces of stuff in the folds of the filter but only about 10 of them. I held the filter up to the light and then tapped it on white paper to see what would fall out. There was nothing present to explain the extreme loss of air flow. I have used Bosch cabin filters in my other vehicles (not HEPA) with great success. I was hoping to help the allergies of my family but having to run the fan on high to receive any airflow was more annoying than helpful. The noise was irritating and the air flow was still less than the Honda filter I removed. I purchased a new Honda cabin filter and our van is back to normal. I did not realize how much I missed the auto temperature setting. I was setting the temperature about 5 degrees below "normal" to try and keep the temperature consistent, and it was not during the hotter summer months. Unfortunately I am beyond the 30 day Amazon return window so I am not able to return the cabin air filter. :-( This is my first Amazon review that moved from 5 to 1.....
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Reviewed in the United States on August 18, 2020
J
Verified Purchase
Jim Russell
Whiting, US
★★★★★ 5
Starter
Why did you pick this product vs others?: Good replacement. 
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Reviewed in the United States on June 20, 2025
W
Verified Purchase
william
Cuba, US
★★★★★ 5
Starter works great
Fits and works great 2005 Mercury mariner 3.0
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 29, 2025

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