AK System
Battery Blowers

BGA 57

Ergonomically balanced cordless blower in a streamlined design for comfortable and effortless work. Round nozzle, soft handle, three-level adjustable blower tube for optimum implementation of blowing force in use. Set comes with AK 20 battery and AL 101 charger as standard.

Technical Details

Technical specifications


Rated voltage

36 V

Weight ¹)

2,1 kg

Blowing force ²)

9 N

Max. airspeed

54 m/s

Air throughput ³)

600 m³/h

Air speed

45 m/s

Max. air throughput ⁴)

750 m³/h

Air speed ⁵)

100,7 mph

Battery technology

Lithium-Ion AK-System

Battery life AK 10 ⁶)

up to 13 min

Battery life AK 20 ⁶)

up to 25 min

Vibration level right ⁷)

0,6 m/s²

Battery life AK 30 ⁶)

up to 30 min

Air throughput ⁸)

600 m³/h

  1. Excluding battery
  2. Combination of airspeed and air throughput
  3. With round nozzle
  4. K-factor according to DIR 2006/42/EC = 2.5 dB (A)
  5. K-factor according to DIR 2006/42/EC = 2m / s ²
  6. Battery life times are approximate and may vary depending on application

Equipment and Function

Length-adjustable blower tube

The BGA 56 blower tube can be adjusted to the height of the user with 3 settings. This prevents blowing force being needlessly lost if the device is held too far off the ground.

Soft grip

The soft grip absorbs some of the vibrations and is extremely easy to grip.

Multi-function handle

All the elements for operating the engine control functions and the safety locking lever are at your fingertips. This makes operation easy and reliable – regardless of whether you are right or left-handed.

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.

Hanging eye

A hanging eye is built into the handle housing to allow the appliance to be hung securely on the wall.

Quiet operation

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

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