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Stihl FSA 45

With its integrated battery, the FSA 45 string trimmer is a great choice for occasional use on small properties. Part of the AI Series, the FSA 45 comes standard with the STIHL PolyCut™ 2-2 mowing head, making it ideal to cut in hard-to-reach places and large areas of tall grass. This STIHL AI Series trimmer is lightweight at only 5.1 lbs. (including battery) and can trim the length of three football fields when the battery is fully charged – that’s up to 1,080 feet. It features an adjustable shaft length to fit different user heights and enhance comfort. Plus, its adjustable trimmer head can adapt to various trimming tasks. Stop by our store today and see this affordable trimmer in person, as well as the entire line of STIHL battery products. Usage claim tested and verified by an independent third-party test laboratory. Run time may vary based on battery type, charge level and capacity, model, operating style and conditions. Comes with integrated battery and charger. View Our Usage Chart


Price may vary based on location and options.

Stihl FSA 45 Features

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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.More Information

Compact, ergonomic design

The compact, ergonomic design provides more comfortable use.

Lightweight Portability

Great for maneuverability and extended use.

Hanging Loop

Hang your cordless trimmer securely on a wall to save space using the loop in the handle housing.See it in action htmlSee it in action!See it in action html

Activation Key

When removed, the activation key helps prevent accidental use/startup of the product. Battery will still charge with activation key removed – charge lights also work as well

Battery Indicator Lights 

This product is equipped with built-in indicator lights, showing the battery status and remaining level of charge.

Rubberized Soft Touch Handle 

Soft rubber texture is both easy to grip and makes the product comfortable to hold for extended periods.

Loop Handle

A thumb screw allows the ergonomic loop handle to be easily adjusted to desired position without tools.

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Stihl FSA 45 Specifications
CUTTING WIDTH23 cm (9")
WEIGHT (w/ Integrated Battery)*2.3 kg (5.1 lbs.)
POWER SOURCEBattery
BATTERY SERIESAI Series
RUN TIME (w/ Integrated Battery)W/ STIHL PolyCut™ blade: Up to 20 min. W/ Round Quiet Line .065": Up to 12 min.

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