The STIHL FSA 50 is a lightweight, powerful trimmer that quickly switches to an edger for a clean, polished lawn.
Meet the STIHL FSA 50, your go to tool for easy, reliable lawn care. With 10% more power than the FSA 57 and consistent performance from start to finish, it handles tough grass with ease. Switch from trimming to edging in seconds for crisp, clean lines, and adjust the shaft and mowing head for comfort and hard to reach spots. Lightweight and balanced, it is simple for anyone to use.

A soft, high-visibility bumper helps you trim neatly around trees, fences, and walls just to fold out of the way when not needed. The STIHL FSA 50 makes it simple to achieve a sharp, polished lawn.

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FSA 50 Battery Features & Benefits

  • 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.
  • Brushless Motor
    The advanced brushless motor virtually eliminates maintenance while supplying the power and performance you expect from STIHL.
  • Bump Guard
    The bump guard, which is standard equipment, helps when trimming around trees, shrubs and other obstacles by creating space between objects and trimmer head.
  • Compact, Ergonomic Design
    The compact, ergonomic design provides more comfortable use.
  • Lightweight Portability
    This product is lightweight for easy portability, great maneuverability, and extended use.
  • Rubberized Soft Touch Handle
    Soft rubber texture is both easy to grip and makes the product comfortable to hold for extended periods.

FSA 50 Battery Specs & Compare

Rated voltage36 V
Max. voltage40 V
Power consumption0.43 kW
Power0.30 kW 1)
Cordless power systemAK
Recommended batteryAK 10
Device weight without battery6.4 lb 2)
Cutting circle diameter305 mm
Max. battery working time AK 10 with line mowing head25 min 3
Max. battery working time AK 10 with plastic blade mowing head50 min 3
Max. battery working time AK 20 with line mowing head50 min 3
Max. battery working time AK 20 with plastic blade mowing head100 min 3
Max. battery working time AK 30 with line mowing head60 min 3
Max. battery working time AK 30 with plastic blade mowing head120 min 3
Max. area per battery charge AK 10125 m² 4)
Max. area per battery charge AK 20250 m² 4)
Max. area per battery charge AK 30300 m² 4)
Max. area per battery charge AK 30 S300 m² 4)
Max. lawn edge per battery charge AK 10625 m 4)
Max. lawn edge per battery charge AK 201250 m 4)
Max. lawn edge per battery charge AK 301500 m 4)
Max. lawn edge per battery charge AK 30 S1500 m 4)
Device length without cutting tool148 cm

1)Mechanical power as comparative value to petrol appliance2)without cutting tool and protection3)The indicated working times per battery charge are indicative and may vary depending on the application and operating mode4)The stated area output per battery charge may vary depending on the application and operating mode