HSA 66
English
20
Defintions
1. Control Handle
The handle of the hedge trimmer 
held by the rear hand.
2. Trigger Switch Lockout
Must be depressed before the 
trigger switch can be activated.
3. Trigger Switch
Switches the motor on and off and 
controls the speed of the motor.
4. Retaining Latch
Locks or unlocks the trigger switch.
5. Battery Compartment
Accommodates the battery in the 
unit.
6. Switch Lever
Designed so that the cutting blades 
can only be activated if both it and 
the trigger switch are 
simultaneously in the depressed 
position. Located next to the front 
handle.
7. Loop Handle
For easy control of machine during 
cutting work.
8. Hand Guard
Limits useable grip area for front 
hand away from cutting blades. 
Helps protect hand from cuttings.
9. Battery Locking Tabs
Secure the battery in the unit.
10. Battery
Supplies the motor with electrical 
power.
11. Light Emitting Diodes (LED) on 
Battery
Indicate the state of charge and 
operating condition of the battery.
12. Push Button
For activating light emitting diodes 
(LED) on battery.
13. Blade Scabbard
Covers cutting blades when hedge 
trimmer is not in use.
14. Cutting Blades
Steel blades for cutting hedges and 
shrubs.
15. Charger
Charges the battery.
16. Light Emitting Diode (LED) on 
Charger
Indicates charger operating mode 
and certain problems.
17. Power Supply Cord
Supplies electric current to charger.
Battery
The unit can be operated only with 
original STIHL rechargeable batteries.
Running time is dependent on the 
energy content of the battery.
Charger
Specifications
Model: Lithium-ion
AL 100
Mains voltage: 120 V
Rated current: 1.3 A
Frequency: 60 Hz
Power consumption: 75 W
Charging current: 1.6 A
Protection class: II, E  (double 
insulated)
AL 300
Mains voltage: 120 V
Rated current: 4.7 A
Frequency: 60 Hz
Power consumption: 330 W
Charging current: 6.5 A
Protection class: II, E  (double 
insulated)