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Please note that this model is only available as a body only without battery or charger. If you do not already have a battery or charger, please make sure that you add these to your basket.
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The STIHL FSA 50 is a battery-powered grass trimmer designed for efficient trimming, mowing, and lawn edging in residential gardens. As part of the AK System of battery tools, this model operates with low noise emissions, minimizing disturbance to nearby residents.
Equipped with an AutoCut C 3-2 mowing head, which can be refilled without additional tools, the FSA 50 also offers compatibility with the PolyCut 3-2 (available separately). The unit features a soft grip round handle and an adjustable telescopic shaft, both of which can be modified tool-free to suit user preferences. The mowing head is adjustable to three distinct angles, facilitating access to challenging areas such as beneath benches, along slopes, near trees, or on uneven terrain. A newly designed spacer bracket provides protection against accidental damage to delicate plants and flowers. Additionally, the mowing head rotates 90 degrees for precise lawn edge trimming.
The variable speed trigger enables accurate control of the mowing head’s speed, contributing to extended battery life. With excellent balance and lightweight construction, the FSA 50 serves as an ideal entry-level option suitable for users of various ages and skill levels.
When fully charged using the AK 10 battery, the FSA 50 achieves up to 25 minutes of operational time, while its balanced design further enhances user comfort during operation.
| Rated voltage | 36 V |
| Power | 0.30 kW 1) |
| Battery system | AK |
| Recommended battery | AK 10 |
| Device weight without battery | 2.9 kg 2) |
| Cutting circle diameter | 280 mm |
| Max. battery working time AK 10 with line mowing head | 25 min 3) |
| Max. battery working time AK 10 with plastic blade mowing head | 50 min 3) |
| Max. battery working time AK 20 with line mowing head | 50 min 3) |
| Max. battery working time AK 20 with plastic blade mowing head | 100 min 3) |
| Max. battery working time AK 30 with line mowing head | 60 min 3) |
| Max. battery working time AK 30 with plastic blade mowing head | 120 min 3) |
| Max. area per battery charge AK 10 | 125 m² 4) |
| Max. area per battery charge AK 20 | 250 m² 4) |
| Max. area per battery charge AK 30 | 300 m² 4) |
| Max. area per battery charge AK 30 S | 300 m² 4) |
| Max. lawn edge per battery charge AK 10 | 625 m 4) |
| Max. lawn edge per battery charge AK 20 | 1250 m 4) |
| Max. lawn edge per battery charge AK 30 | 1500 m 4) |
| Max. lawn edge per battery charge AK 30 S | 1500 m 4) |
| Device length without cutting tool | 148 cm |
| Sound pressure level | 69 dB(A) 5) |
| Sound power level | 82 dB(A) 5) |
| Vibration value on the left in right-handed operation | 1.6 m/s² 6) |
| Vibration value on the right in right-handed operation | 0.9 m/s² 6) |
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 mode5)K-value according to Directive 2006/42/EC = 2.0 dB(A)6)K-value according to RL 2006/42/EG = 2 m/s²