Black + Decker GLC3630L20-GB Grass Strimmer UK Review 

By  Enda

Thanks for taking the time to read our review of the Black and Decker 36 Volt Strimmer with the model number GLC3630L20-GB. This is a cordless strimmer with a powerful 36V battery.

This strimmer is rated highly by online buyers this product very highly, and have an overall satisfaction rate of 88%.  This is also the biggest selling cordless strimmer on Amazon in the UK, with over 3,500 online buyer reviews

Simply because of the great reviews, we have made this number one on our list of cordless trimmers. It is not a cheap choice and the average price is around £150, with an RRP of £182.39. This is for the strimmer and battery.

You can also get this one with a spool and line bundle for a few extra pounds. If you want an extra battery, that option is also available, and it will cost an extra £55 to have that option. This strimmer is well designed and very powerful for a battery style trimmer.

Buyers who bought this use it for a number of grass cutting activities and also for creating neat edges on their lawns and gardens.

In a Hurry?

Below we have reviewed this lawn mower in a lot of detail. However, if you don't have time to read all of the information, then you can check the availability at Amazon UK by clicking the button to the right.

BLACK+DECKER 36 V trimmer

BLACK+DECKER 36 V Lithium-Ion Strimmer Specification

It is always worth reading about the specification as that is the best way of knowing exactly what you are getting. It also helps you decide if this is the right choice for your own specific needs.

Key Specification Details

  • Has a powerful Lithium battery so no cords to worry about
  • Comes with one 36 volt battery and a fast charger - The battery lasts for a long time around 35-45 minutes, per charge
  • The automatic single line feed system will save you hours of frustration - no more bumping or tugging at lines
  • Uses a high torque gear system to deal with even the tallest of grass, or the toughest of weeds.
  • Telescopic handle to allow for height adjustment to suit your height
  • Has a second adjustable handle, that allows you to hold the strimmer with both hands - and helps find a good centre of balance

Video Overview

  • Weighs 3.5 Kg (considered to be lightweight for a strimmer)
  • Measures 110.4 x 24.2 x 11.8 cm
  • 30 mmm cutting swathe
  • 2-year guarantee

According to the manufacturer, Black and Decker, with one fully charged battery, you can cut up to 3750 linear metres.That is impressive and sets this one at the top of the pile for a longer lasting battery.

Top Tip

Spare batteries - To order spare batteries look for Part Number BL2036 online

How Buyers Rate the Strimmer?

Buyer Satisfaction
  • Overall buyers have given these strimmers an average buyer satisfaction rating of 92%
  • 79% of all buyers have given this a full 5 star review
  • 3% of all buyers gave these a bad review

What Buyers Liked and Didn't Like

What Buyers Liked

  • Buyers got around 35-45 minutes of use from a fully charged battery
  • Not having to worry about having an electrical cord trailing behind them
  • Twisting head that makes edging easy
  • Cuts long grass with ease
  • Easy to handle
  • Not having to worry about starting up a petrol strimmer
  • Very light and that really helps with user fatigue

What Buyers Didn't Like

  • There were not that many complaints
  • Many thought that the battery simply wouldn't last but it did

Our Verdict on these 36V Cordless Strimmers from Black & Decker

There are plenty of contented gardeners who own this product and it has a 92% satisfaction rating. 

This product sells more than any other product online when it comes to buying a cordless strimmer.

These have a high-torque gear system, and that really helps power through the toughest of any over grown area. The battery life is excellent.

It has a 30 cm cutting swathe, and that makes it an excellent choice for larger gardens.

Check Amazon UK for Availability

However is these are not the ones for you, then check our top rated list here.

Black and Decker Brand

Over the past century, Black & Decker has become a household name, famous for high quality and innovative products. Making the job easier has always been at the forefront of Black & Decker’s mission. They are a US based company that originated in Baltimore. They make a whole range of tools, gardening tools, and home equipment.

Generally speaking they are considered to be at the more affordable end of the power tool brands. Their motto is to try and simplify the world of DIY and create tools and products that make the task quicker and easier to perform. They have been around for many years, just over 100 in fact, and they have been responsible for many "firsts" to market.


I am someone who enjoys a little gardening. Now I am not someone who spend hours in the garden, but I do like both my front and back gardens to look really nice. Well kept lawns, neatly trimmed hedges, and borders filled with plants, make a huge difference, to how your property looks.

Enda McLarnon

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