Review of the Black + Decker STC1820CM-GB 18V Lithium Strimmer

Black + Decker Lawn Mower Review
  • Performance
  • Comfort
  • Noise
  • Maintenance
  • Ease of Use


Powerful, versatile, mobile and portable, the Black and Decker STC1820CM-GB Strimmer with Lawn Mower Deck is the perfect gardening tool for small lawns and backyards.

With freedom of expression and power comes responsibility. Thanks to our highly artistic and creative society, more and more people are turning their lawns and gardens into living works of art. From a well laid out flower bed to a cosy, shaven lawn there’s no end to what people can achieve.

However, there’s only one problem; all these areas need specialised tools and equipment to maintain. This means that the average household has a hedge trimmer, lawn mower, slasher, weeder, a machete for those pesky shrubs and an entire array of heavy equipment.

Imagine if you could get all that and more in one light, mobile and versatile machine. You know it – I’m talking about the best lawn mower for small gardens – The Black + Decker STC1820CM-GB 18V Lithium Strimmer.

Black and Decker Lawn Mower review

black and decker lawn mower review

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What are you buying?

Powered by a high torque gear system known as E-Drive, the Black + Decker STC1820CM-GB is a 3 in 1 mower designed to power through even the roughest overgrown areas without as much as a single clog. Boasting of lightweight construction and cordless operation, this particular product is ideal for the small garden and backyard.

The STC1820CM-GB by Black and Decker comprises of two main components; the mower base and a detachable strimmer a 28 cm cutting swathe.

The mower base is crafted to turn your compatible strimmer into a push mower. This is all made possible by a click and go system that allows the strimmer to simply click into place. Whether you have an uneven lawn or very steep inclines in your backyard, this bad boy will tackle the terrain like a pro.

The base also has adjustable wheels that determine the height of your cut. After you’re done mowing the lawn, you can detach the strimmer and work on hedges, shrubs and other high areas of your home.

So, what powers this handy strimmer? Since the unit is cordless, it works by charging an 18V Lithium Ion battery that holds power for longer. This means that you can get to the most remote parts of your compound without having to worry about the cord length. Couple that with 550 Watts of motor power and you have quite the gardening tool.

Key features summary

  • Power: 550W
  • Blade length: 28 cm
  • Cutting heights: 4 – 6 cm
  • Grassbox capacity: none
  • Product weight: 7kg
  • Style: Stand alone, 3 in 1

How easy is it to use?

The Black + Decker STC1820CM-GB lawn mower might be packed with an impressive array of features, but it’s very easy to use. Once you get a hang of how to work the click and go system, it’s only a matter of using the correct tool for the job. Aside from being much quieter than conventional mowers, this product is so easy and free to move that I found myself using one hand most of the time.

That’s right; no more sweating around trying to push bulky mowers. Thanks to adjustable handles, it doesn’t matter how tall or short you are. Just use the press spring to adjust the handles to your preferred extension.

One of the biggest selling points in the Black and Decker STC1820CM-GB mower is its mobility. Not only is it very easy to use, but its smaller size and stature allows for the easiest storage. Once you detach the strimmer from the base, you can utilize very little space in your shed for storage.

Unlike bulky, conventional mowers, you can reduce the carrying weight by hauling one part at a time and save floor space by hanging the strimmer on a wall.

What accessories are included?

Once you make your purchase, you should find the following items in the box:

  • The Black + Decker STC1820CM-GB Strimmer
  • Lawnmower deck attachment
  • 18V Lithium-Ion battery
  • Charger


  • Lightweight and compact design for easier manoeuvrability.
  • Very easy to store.
  • Quiet and smooth operation.
  • Battery-powered.


  • Some customers claim that the assembly is awkward, but most get it right after a few tries.
  • Strimmer is better than lawn mower.

Food for thought

I don’t know if you noticed this, but the Black + Decker STC1820CM-GB has absolutely zero grass collection capabilities. While the absence of a grass box might make the machine more mobile and cheaper, it certainly begs the question of where all that grass goes.

The great news here is that unlike a glide or hover mower that blows grass all around, this model is actually mess free. All you have to do is rake the garden later on and enjoy a crispy, spotless and well-kept yard.


Powerful, versatile, mobile and portable; the Black + Decker STC1820CM-GB is the perfect gardening tool for small lawns and backyards. If you have a very diverse landscape with plenty of different elements thriving, then it makes no sense to buy a different tool for each of them. Whether it’s the hedges, shrubs, flower beds or lawn, all you need is the STC1820CM-GB to solve all your gardening woes.

If you want to know how it compares against other lawn mowers, check my Best Lawn Mower Buying Guide.

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