Black and Decker 36V Lithium Ion Strimmer UK Review 

BLACK+DECKER 36 V Lithium-Ion Strimmer(GLC3630L20) UK Review

The Black & Decker GLC3630L20 model, is one of the highest selling strimmers, on the UK market right now. It is powered by a 36 volt lithium-ion battery, that lasts for ages and is really very powerful indeed.

It is not cheap with an RRP of £169.99. Shop around though as you can get this online for around £130. Buyers do rate this model highly.  On average it has achieved and maintained a rating of 4.6 out of 5 stars. If you like the idea of cordless free strimming, then this is a very good choice.

This one is ideal for those with medium to large sized gardens, and can easily deal with tough weeds, or long grass.

BLACK+DECKER 36 V Lithium-Ion Strimmer with 2 Ah Battery

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GLC3630L20-GB Key Specification Details

BLACK+DECKER 36 V Lithium-Ion Strimmer close up image
  • Uses a powerful 36 volt battery (Li-Ion battery)
  • Can cut up to 3,750 metres from a single charge
  • Takes 1.5 hours for a full charge of the battery
  • Has an automatic single line feed system (AFS)
  • Comes with a 2-year guarantee
  • Has an easy to adjust telescopic handle
  • Also has a handle for holding that can be adjusted
  • 30 cm (1 foot) cutting swathe
  • Can be used for strimming or edging
  • A choice of speed settings from economical to turbo boost
  • Measures 110.4 x 24.2 x 11.8 cm and weighs 3.5 Kg
  • Has a high torque gearing system
GLC3630L20 Strimmer Specification

Short Video Review of the Bosch ART 23 SL Electric Grass Trimmer

We found this very good review on YouTube, and we think it does an excellent job of explaining exactly how this strimmer works, and how effective it is.

BLACK+DECKER GLC3630L20-GB Buyer Overview

Just below we have broken down the star rating given to this strimmer by actual buyers. This is based on a star rating system, with 1 being the lowest, and 5 being the highest.

81 %
11 %
2 %
2 %
4 %

From this you can quickly see that 8 out of 10 buyers gave this B&D Strimmer the full 5 star treatment. 92% rated it 4 stars or higher. Only 4% deemed this one worth of a 1 star rating.

What Buyers Said About the BLACK+DECKER GLC3630L20-GB

What Buyers Liked

  • This strimmer has a nice weight to it, and is easy to use
  • The automatic feed system works really well, and saves having to worry about bumping for more line
  • A fully charged battery pack gives you around 30-45 minutes of cutting
  • It is very well designed and very effective
  • The charge is fast, and the battery super easy to remove and connect
  • Deals with long grass, weeds and all of the heavy stuff

What Buyers Didn't Like

  • Some buyers said it stopped working after a few months
  • Some had difficulty getting a refund

If this is not the right cordless strimmer for you, then click here to see our top rated list.

What Spool Does with this Strimmer


With this model of strimmer you should use the  Black and Decker A6481-XJ replacement spool and line. This is the line that the manufacturer recommends for this model.

The average cost for this spool is around £6. The line is 10 metres long and 1.5 mm in diameter.


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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