HSA 45 Cordless Hedge Trimmer

Very light cordless hedge trimmer with 20" / 50 cm blade length and integrated battery

The HSA 45 cordless hedge trimmer is very lightweight so it is easy to manoeuvre and is perfect for trimming annual growth on the hedges in your garden.

Part of the AI Line, and with an integrated Lithium-Ion battery, the HSA 45 couldn't be easier to use - simply pop in the activation key, switch on and go. It is also really quiet so you can get on with your garden jobs without disturbing the peace! The precision-ground blades deliver a neat cut, so you can get your shrubs in order in no time.

  • Weight: 2.3 kg. Battery charging time: 145 min/210 min (80%/100%). Run time up to 40 minutes.

Versions Price
HSA 45 - blade length 50 cm / 20" £119.01*
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  • Technical data
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    Technical data Value
    Cordless technology AI Line
    Blade length cm 50
    Rated voltage V 18
    Weight kg 1) 2.3
    Battery life time min 2) up to 40
    Sound power level dB(A) 3) 83
    Total length cm 91
    Stroke rate rpm 2,500
    Sound pressure level dB(A) 4) 75
    Vibration value, left m/s2 5) 1.4
    Vibration value, right m/s2 5) 1.5
    Recommended battery Integrated

    1) battery included
    2) Battery life times are approximate and may vary depending on application
    3) K-factor according to DIR 2006/42/EC = 2.5 dB (A)
    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

  • Features
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    Standard features

    • Compact and ergonomic

      The integrated battery cells mean that the tool is optimally balanced. The HSA is easy to handle. Its streamlined design creates plenty of room for manoeuvre.

    • Soft handle

      Thanks to the two-hand control device and soft handle with lever lock function and lever, the user always has the cordless hedge trimmer safely under control.

    • Tip protector with hanging eye

      The tip protector protects the tip of the cutter bar against damage when working close to walls and the ground. The hedge trimmer tip protector is fitted with an integrated hanging eye for wall mounting.

    • Charge level indicator

      The remaining working or charging time can be viewed at any time by pressing the button. Four LEDs light up, or flash green or red, to indicate the charging state or problems.

    • Activation key

      The tool can only be used with the activation key. If the key is removed, the tool switches off to guard against unintentional activation. The tool can be safely stored and transported.

    • Charger cable

      The STIHL HSA 45 draws its power from an integrated 18V lithium-ion battery. The battery is easily charged using the charger cable.

    • Quiet technology

      The STIHL cordless tools are so quiet you don't even need to wear ear protection.

    • Pruning system

      The single-sided precision-ground and double-sided cutting blades produce a very clean cut when trimming hedges. The 33° cutting angle delivers excellent cutting performance. The blade teeth geometry allows cutting of twigs up to 8 mm thick.

  • Accessories
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    • STIHL Smart Connector

      STIHL connected is a smart fleet management system that enables professional users to digitally manage machine fleets and work assignments.

      This is managed by the STIHL Smart Connector - a sensor with a diameter of just under 5cm, which is mounted on the tool. It can be mounted on petrol, electric or battery-powered tools where it records and saves the operating hours while the motor is running and transmits this information via Bluetooth® 4.2 to the STIHL connected App (the smart connector can be mounted on non-STIHL tools too). The Smart Connector offers entirely new functions and services, as a basis for device management both in your home garden using the STIHL connected App, and for managing your machine fleet using the STIHL connected Portal.

      Here’s a few reasons why STIHL connected can help manage your fleet of tools:

      • The Digital Fleet Management keeps a record of all tools and their service record
      • You get prompts when a tool needs servicing, so you never forget to change the plug, filter or just carry out maintenance
      • You can see how many hours a tool has done, so you can plan which tools to use, replace or buy more of
      • At the end of the day, you can open the app and see which tools are next to you - so you can tell if something is missing
      • Book a service with your nearest STIHL Approved Dealer and give them access to see what work will be needed in advance.

      STIHL Connected is an intuitive way to manage your machine fleet and workload intelligently and efficiently. Visit: STIHL connected FAQs to find out more.

      Download the app for free or visit the STIHL connected Portal by clicking on the following links:

      Length mm 53
      Width mm 42
      Connectivity Bluetooth 4.2
      Height mm 14
      Weight g 20
      Dimensions (l x b x h) mm 53 x 42 x 14
      Signal range m Approx. 10
      Running time per battery charge Year Approx. 1
      Connectivity Bluetooth low energy 4.2
      Battery 3V CR 2,032

      Versions Price
      Smart Connector £21.99* Save and compare
      Save and compare
    • Superclean

      This graphite and lubricating mineral oil based cleaner is ideal for cleaning cutting attachments, hedge trimmer blades and chainsaws. It dissolves resin, prevents rust and removes dirt from your cutting blade. It also provides lubrication and protection from corrosion for when you next use your tool.

      To use Superclean, simply spray it onto the cutting tool after use. Then, run the cutting tool through for a brief moment and leave the machine, so it’s ready for the next time you use it.

      Shelf life Years 3

      Versions Price
      Superclean - 50 ml £7.23* Save and compare
      Save and compare
    • STANDARD Glasses - Clear

      EN 166, also suitable for spectacle-wearers, material with 100 % UV protection, side protection.

      UV-Protection % 100
      Weight g 40.3

      Versions Price
      STANDARD Glasses - Clear £6.92* Save and compare
      Save and compare
    • FUNCTION SensoTouch

      FUNCTION SensoGrip gloves, knitted with nitrile dipping to provide excellent handling. Good breathable properties. Allows the user to operate smartphones or tablets without needing to remove the gloves.

      Cut protection class No protection

      Versions Price
      FUNCTION SensoTouch M, 9 £5.18* Save and compare
      Save and compare
    • FUNCTION SensoTouch

      FUNCTION SensoGrip gloves, knitted with nitrile dipping to provide excellent handling. Good breathable properties. Allows the user to operate smartphones or tablets without needing to remove the gloves.

      Cut protection class No protection

      Versions Price
      FUNCTION SensoTouch L, 10 £5.18* Save and compare
      Save and compare
    • FUNCTION SensoTouch

      FUNCTION SensoGrip gloves, knitted with nitrile dipping to provide excellent handling. Good breathable properties. Allows the user to operate smartphones or tablets without needing to remove the gloves.

      Cut protection class No protection

      Versions Price
      FUNCTION SensoTouch XL, 11 £5.18* Save and compare
      Save and compare
  • Documents
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    Owners manuals

* Manufacturer's recommended retail price updated as of May 2022. The manufacturer's recommended retail prices are subject to change without notice.

The version(s) available in each country may differ from the above range and specifications; specific details may be subject to change without notice. Please ask your local STIHL Approved Dealer for further information.