FSA 57 Electric Battery Type Brush Cutter
| Rated voltage | 36 V |
| Weight | 3.5 kg |
| Weight | 2.7 kg |
| Cutting tool | AutoCut C3-2 |
| Battery Technology | Lithium-Ion AK-System |
| Sound pressure level | 74 dB(A) |
| Sound power level | 89 dB(A) |
| Vibration level, left/right with plastic tool | 4/4 m/s² |
| Total length | 149 cm |
| Cutting circle diameter | 280 mm |
| Battery life AK 10 | up to 25 min |
| Battery life AK 20 | up to 50 min |
| Battery run time with AK 30 | up to 60 min |
AK 20 Battery
Compact lithium-ion battery for the STIHL AK-System with a voltage of 36 V and a capacity of 144 Wh. Battery life depends on the device type. With charge level indicator (LED). Compatible with AL 101, AL 100, AL 300 and AL 500 chargers.
| Battery weight | 1.2 kg |
| Rated voltage | 36 V |
| Battery cell technology | Lithium-Ionen AK-System |
| Battery energy content | 144 W·h |
AL 101 charger
230 V. Compatible with STIHL AK and AP batteries. With charge-level indicator (LED). Cable tie with Velcro tape. Wall-mounting possible. Stihl Brush cutter
| Charging current | 1.6 A |
| Charging time AK 10 | 95 min |
| Charging time AK 20 | 180 min |
| Weight | 0.7 kg |
| Power consumption | 0.08 kW |
