Description
Two-stroke trimmers require constant fuel mixing and create loud noise complaints around hospital grounds and school campuses. The Stihl FSA 80 Cordless String Trimmer Kit provides quiet, zero-emission grass trimming with push-button start convenience. It swings a 15-inch AutoCut line head. Running wide-open throttle in thick weeds drains the AK battery pack fast.
A commercial brushless motor mounts inside a die-cast aluminum housing at the rear of the shaft to balance tool weight. The drive tube houses a solid steel shaft supported by rubber-damped bronze bushings to eliminate high-speed harmonic flutter. Stihl pairs this unit with an AutoCut 27-2 bump-feed head loaded with commercial 0.095-inch diameter quiet spiral nylon line that reduces aerodynamic whistle.
Battery Powered String Trimmer Hardware
Variable speed trigger settings allow operators to dial back RPM to conserve battery life in light turf. The adjustable loop handle positions balanced hand placement across varying operator heights.
- 36 Volt commercial brushless motor generates string cutting power comparable to a 20 cc gas trimmer.
- AutoCut 27-2 bump head releases fresh 0.095-inch nylon line with a simple tap on the turf.
- 15-inch cutting swath clears broad perimeter weed zones in single continuous passes.
- Solid steel drive shaft transfers rotational torque without twisting under heavy weed impact shock.
- Variable-speed throttle trigger features an ECO power mode to prolong battery runtime in light lawn turf.
- Die-cast aluminum motor casing provides thermal heat dissipation during continuous commercial trimming runs.
- Included AK 30 lithium battery and AL 101 charger provide dependable power for residential property routes.
Brushless Motor Load Bench Telemetry
Spinning 0.095-inch line through dense fescue grass at full throttle pulls 18.5 Amps from the 36 Volt AK 30 battery at 5800 RPM. Motor casing temperature rises from 70°F ambient to 116°F after 25 minutes of continuous weed trimming. The solid drive shaft transfers 520 Watts of continuous electrical power. Operating acoustic noise measures an ultra-quiet 68 dBA at the operator ear.
Turf Maintenance Bounds Fleet Directives
Commercial landscapers, corporate grounds crews, and municipal park staff trim lawn edges fast without gas mix hassles using this tool. Do not run heavy multi-tooth metal clearing saw blades on this trimmer because excessive centrifugal mass overloads the electronic motor brake. Never store bare battery packs in unheated tool trailers during sub-freezing winter weather.
- Clean grass clippings and mud from the motor cooling vents after every commercial work shift.
- Inspect the AutoCut line head eyelets for groove wear and replace worn eyelets every 60 days.
- Wipe down the battery connection terminals with a clean dry cloth before inserting fresh battery packs.
Commercial Warranty Equipment Shipment Roster
Stihl covers this cordless trimmer kit with a 2-Year commercial warranty covering the brushless motor, drive shaft, and AK battery pack. The boxed kit arrives with the FSA 80 trimmer, AutoCut 27-2 head, AK 30 battery, AL 101 charger, grass shield, and manual.
