SKU: 64370949556

FSA 57 Battery Trimmer

Sale price$126.00 Regular price$140.00
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Ships within 48 hours · Estimated delivery Jul 20 - Jul 25

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Description

FSA 57 Battery TrimmerThe FSA 57 battery powered trimmer is the ideal tool for keeping your lawn edges in check for medium to large yards. It is lightweight, quiet and easy to maneuver around your property, with an adjustable loop handle that helps you guide the trimmer exactly where you need it. The shaft is extendable, so you can adjust it to suit your height. Runtime on recommended AK 10 battery: Up to 25 minutes Runtime on AK 20 battery: Up to 45 minutes Runtime on AK

The FSA 57 battery-powered trimmer is the ideal tool for keeping your lawn edges in check for medium to large yards.

It is lightweight, quiet and easy to maneuver around your property, with an adjustable loop handle that helps you guide the trimmer exactly where you need it. The shaft is extendable, so you can adjust it to suit your height.

  • Runtime on recommended AK 10 battery: Up to 25 minutes
  • Runtime on AK 20 battery: Up to 45 minutes
  • Runtime on AK 30 battery: Up to 65 minutes
Technical Details
Runtime with AK 10 battery MIN  up to 25
Runtime with AK 20 battery MIN  up to 45
Runtime with AK 30 battery MIN  up to 65
Weight KG / LB 2.6 / 5.7 
Sound pressure level DB(A) 72
Vibration value, left M/S²  4
Vibration value, right M/S²  4
Cutting tool AutoCut® 3-2
Total length IN / CM  59 / 149
Protection class III / III
Features

Quiet technology

The STIHL AK Battery System tools are so quiet you don't even need to wear ear protection.


Adjustable length shaft

The length of the shaft on the FSA 57 can be easily adjusted at the touch of a button to suit you whatever your height.


Adjustable loop handle

So that you can work in the most comfortable position, the loop handle can be easily adjusted without tools.


 Spacer bracket

The metal spacer bracket means you can trim precisely around trees, plants and other objects without damaging them. It can also be folded up if not needed.


Safe battery locking position

There are two positions for the battery - in the first neutral position, the battery is secured in the trimmer but not connected to the contacts, so you can carry the battery around easily without the risk of the trimmer starting accidentally. Once you push the battery in fully, you can easily start the tool.


 

Charge level indicator on the battery

So you know how much charge you have left, the charge level can be viewed at any time using the four LEDs on the battery.


Easy to extend the mowing line

The FSA 57 uses the Autocut® 3-2 which you can tap on the ground to automatically feed out the mowing line if it has broken off. You can also fit the PolyCut 3-2 head to the    FSA 57, which uses STIHL PolyCut™ blades instead of mowing line. 

AL 101 charger

Charger for the STIHL AK System. With operating mode indicator (LED) and cable tie with Velcro tape. The charger can be wall mounted if required.


FAQs

Question: Is this trimmer suitable for trimming through heavy weeds or scrub?

A: No, the AutoCut® mowing head on the FSA 57 is suitable for trimming grass and light weeds, along lawn edges or in small areas of lawn. If you need to cut thicker, woody material, a brushcutter with a grass cutting blade or brush knife may be more suitable. You can find out more information about the different cutting attachments we have available at www.stihl.ca. Please visit your nearest STIHL Dealer, who will be able to give you expert advice and talk you through our full range of brushcutters and cutting tools.

Question: What type of cutting attachment does the FSA 57 use?

A: The FSA 57 uses an AutoCut® 3-2 mowing head. An optional PolyCutTM 3-2 head is available for the FSA 57 from your nearest STIHL Dealer. This head uses durable STIHL PolyCutTM mowing blades. 

Question: How long does the battery last?

A: The AK 10 battery will last up to 25 minutes or mow up to 500 m of lawn edges, depending on the type of grass that is being cut and how the tool is being used.

Question: How long does it take to charge?

A: To fully charge the battery it takes 80 minutes with an AL101 charger or to charge it up to 80%, it takes 55 minutes.

Question: What size of property will it maintain?

A: The FSA 57 is the ideal grass trimmer for small to large city properties.

Question: What battery does it use?

A: The FSA 57 is equipped with an AK 10 battery. However, the AK 20 and AK 30 can be purchased separately.

Question: Are the batteries interchangeable?

A: Yes, all of the tools in the AK System use the same style of battery. There are three different batteries in the range, which all have different capacities. For the FSA 57, we recommend the smaller capacity AK 10 battery as it is lighter and means the tool is perfectly balanced, but you can use the AK 20 and AK 30 battery for longer runtimes.

Tips

#1 Cleaning your FSA 57

When you have finished using the trimmer, remove the battery and clean using a damp cloth or soft brush.

#2 Storing your FSA 57

Store your FSA 57 in a clean and dry area and keep out of the reach of children at all times.

#3 Make the most of your trimmer line

To get the most of your trimmer line, simply pop it in a bucket of water for 12-24 hours before using it to make it more flexible and less likely to break.

How to Assemble

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: 64370949556

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4.8 ★★★★★
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J
Verified Purchase
Jason G
Belleville, US
★★★★★ 1
Do not buy
Color: Green/Black
Do not buy. When I received the watch it did not work and the battery was dead. I bought a new battery and it killed that one as well after about a month.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 18, 2026
M
Verified Purchase
Miles Connell
Carnegie, US
★★★★★ 5
Inexpensive doesn’t mean cheap.
Color: Black/Orange
After 10 months, zero complaints. Well, I got rid of the horrible NATO strap 🙄. That’s a personal preference. Easy to swap out to whatever you like. Keeps accurate time meaning it’s the same time. I’m not micro analyzing it and the seconds gained/lost. It has a confident look and feel and makes you feel good when wearing it. Sure it’s not high priced but it’s not cheap. Very comfortable, light and not unincumbered. If this is what you’re looking at, you’d be satisfied. Great looking, durable and simple watch. Full confidence.
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Reviewed in the United States on October 25, 2025
B
Verified Purchase
Buyer
Lake Worth, US
★★★★★ 3
Budget Seiko Prospex this is not
Color: Black/Orange
Bought this as a cheap work watch, but I guess all the budget went into the solar technology. No date adjust feature, gotta crank the crown over and over to adjust the date. (Also no screw-down crown, but that's expected at this price) Fake diver bezel. Lol why? Cringe as heck. Should of just put a compass bezel on there instead tbh. Cheap plastic crystal, scratches and mars just by looking at it. Okay NATO strap. Falls apart quickly, but it's easily replaceable with a better quality one. Decent lume on the hands, but none on the hour markers even though it looks like there is. Looks cool.
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Reviewed in the United States on June 13, 2025
M
Verified Purchase
Michael Miracle
Battle Creek, US
★★★★★ 5
Simplicity
Color: Black/Orange
This watch was received exactly as advertised. First off the watch is economical compared to other watches that advertise the same details. I will say that I have gone through numerous Luminox watches only to be disappointed. This watch fits the bill. It does have solar cells which mean it needs to be exposed to light to keep running, not a problem. Three minutes under my surefire light I am golden. The bezel doesn't rotate actually no big deal for me. I have always required that the bezel moves not anymore after having a bezel that rotates I use it next to never. Here's why, the more I rotate the bezel the more the numbers wear off. The strap on the watch with the catches for the strap are perfect. They actually hold the watch strap in place in lieu of like other big name brands that just flop and slide. As far as everyday use goes this watch is my go to. To be honest I have purchased three. This is the only watch I will wear moving forward, yeah the glass my scratch but even the big names like the Luminox I spoke of earlier scratches too.
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Reviewed in the United States on April 4, 2026
B
Verified Purchase
Bryan
Lowell, US
★★★★★ 5
Favorite watch / solar
Color: Green/Green
I'm partial... I have bought Timex my intire life, they no doubt make the best watches... They take a licking, but keep on ticking is there old commercials.. True.. Great quality, keeps going after many year's... I never bought a solar watch from them prior I have to mention... It should hold up I'm thinking like their battery watches, I hope so. My favorite watch, I own a handful. Watch looks better in person... Downfall, they are trying a new band out of recycled plastic, I don't like it as much as the older bands it's soft, but feels a little strange...
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Reviewed in the United States on March 28, 2026

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