The Gtech Cordless Grass Trimmer GT 3.0 Review


Gtech Cordless Grass Trimmer GT 3.0 Edge

After great success with the ST20, Gtech has recently updated this popular grass trimmer. The Gtech GT3.0 cordless grass trimmer is the result. Building on the original success, they have made a few improvements to make it even more effective and versatile.

Key Features

  • Lightweight
  • Plastic blade
  • Adjustable handle
  • Interchangeable battery
  • Rotating head for edge trimming


Gtech Cordless Grass Trimmer GT 3.0 Review

As this is effectively an upgrade, Gtech listened to what users had to say to make an already good cordless trimmer even better. One of the main complaints of the earlier versions was wrist and back strain and Gtech added the handle to prevent or at the very least reduce this. The handle is adjustable so you can find the ideal position for your needs.

The plastic blade is also something most users appreciate. The blade is effective and easy to change. The only complaint was that it does not last all that long. Gtech has overcome that issue by including 20 blades with every new machine. Replacement blades are easy to come by and cost next to nothing.


The weight of the Gtech GT3.0 is a mere 1.85 kg making it light and easy to move. This will reduce fatigue and make the job easier to do. It is ideal for those not quite up to lugging a large heavy trimmer around.


Gtech Cordless Grass Trimmer GT 3.0 BatteryThe Gtech GT3.0 grass trimmer is 18V so it is effective for most conditions.

Charge time

The charge time is roughly 4 hours and has an 18V Lithium-ion battery. Another benefit is that this battery is interchangeable with the Gtech Hedge Trimmer. This gives you more flexibility and a potential cost saving.

A charge should give you roughly 30 minutes of run time.

String type

The Gtech GT3.0 features a fixed plastic grass trimmer blade. These are easy to clip on and off and so replacement is quick and painless.

Replacement blades are practically free and the cost to order an additional pack of 50 is negligible.  You basically just need to cover the postage and you will have more than enough blades.

While they do not like stones they cut the grass neatly and effectively.

Gtech Cordless Grass Trimmer GT 3.0 DeckFeed type

As the blade is plastic this is not applicable to this model.

Edge trimming

The head of the Gtech GT3.0 cordless trimmer can rotate by 180-degrees making it quick and easy to switch to accurate edging. The light weight makes this task even easier and more effective.

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The key features of this Gtech GT3.0 have all been discussed and include the lightweight design, the convenient handle, and the plastic blade. Others include the interchangeable battery and 180-degree head rotation.

Gtech GT3.0 Cordless Trimmer User Manual Download

Click here to download the Gtech GT3.0 Cordless Trimmer User Manual


  • Lightweight
  • Comfortable to use with a handle on the shaft
  • Plastic blade (no string)
  • Interchangeable battery
  • Cordless trimmer


  • Relatively expensive (look for special offers and discounts)
  • Only 30 minutes of run time

While this might not be ideal for large gardens it is great for small to medium lawns. It is light and easy to manage. Most users enjoy the efficiency and effectiveness of the plastic blades.  It is a great way to tidy up the lawn and neaten the edges.

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The Gtech Cordless Grass Trimmer GT 3.0