AK System
Battery Hedge Trimmers

HSA 56

Lightweight cordless hedge trimmer with high cutting performance for trimming bushes and hedges around the home. Single-sided cutter blade with 30-mm tooth spacing, integrated cut protection in a droplet shape, and screw-on blade tip protector. Comes with AK 10 battery and AL 101 charger as standard.

Technical Details

Technical specifications


Bar length

45 cm

Weight ¹)

2,9 kg

Rated voltage

36 V

Sound power level ²)

91 dB(A)

Sound pressure level ²)

80 dB(A)

Vibration level left/right ³)

2,7/1,2 m/s²

Tooth spacing

30 mm

Battery life AK 10 ⁴)

up to 50 min

Battery life AK 20 ⁴)

up to 100 min

Battery technology

Lithium-Ion AK-System

  1. Without battery
  2. K-factor according to DIR 2006/42/EC = 2.5 dB (A)
  3. K-factor according to DIR 2006/42/EC = 2m / s ²
  4. Battery life times are approximate and may vary depending on application

Equipment and Function

Quiet operation

The STIHL AK-System devices are so quiet you don’t even need ear protection.

AK 10 battery

Compact lithium-ion battery for the COMPACT cordless power system with a voltage of 36 V and a capacity of 118 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.

Innovative cutting system

The blade shape has been optimised to catch branches and hold them against the blade durig the cut and serves as an integrated blade guard.

Intermediate battery position in the device

The battery can be inserted into the device in 2 stages. In the first locking stage – the intermediate position – the battery is secured in the device but does not touch the contacts in the device. In the second locking stage – the operating position – the battery is completely inserted and touches the contacts in the device.

Soft grip with control lever

The soft grip with its control lever for switching on and off and control lever lock absorbs some of the vibrations and is extremely easy to grip.

Blade tip protector

The tip protector comes as standard and makes cutting near the ground or along walls easier while protecting the special cutters from damage.

Two handed design

The tool is easily started by activating both switches on the loop handle and the rear handle at the same time. The cutting speed is continuously variable using the rear control, for a fine and precise cut. The two handed design is suitable for both left and right-handed users.

Hanging eye

The hedge trimmers can also be conveniently hung up on the wall with the practical hanging eye.

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