Gtech built its name on cordless simplicity, and its lawn mowers follow the same idea: light, push along machines with a removable battery and no cable to trail across the grass. The range centres on two models, the CLM 2.0 and the newer CLM50, both cutting a 42cm (16.5 inch) swathe on a 48 volt battery. They suit a small to medium lawn cut little and often. Ask them to clear a large plot, or long, wet grass, and their limits show. Here is how each one fits a real garden.
What Gtech’s Cordless Range Includes
Both current mowers share a core design. The CLM 2.0 runs a 48 volt lithium battery rated at 2.0 amp hours, spins an 800 watt rotary motor at around 2,800 rpm, and cuts a 42cm width. It carries a 50 litre grass box, comes in at about 13.5kg (30lb), and adjusts from 30 to 80mm (1.2 to 3.1 inches) in 10mm steps. A single charge takes about an hour and gives up to 40 minutes of mowing. The 2.0 replaced the original 36 volt model, stepping up to 48 volts and swapping the old activation key for a simple switch.
The CLM50 is the current flagship, keeping the 42cm cut, 48 volt battery, 40 minute runtime and 50 litre box, with the same 30 to 80mm height range in 10mm increments. It lists at £299.99, often discounted from a £599.99 full price, and comes with a two year warranty and free delivery from gtech.co.uk, with stock also at Robert Dyas and other retailers. That sale price sits around $380 to $390. For a cordless mower with a removable battery, that is mid range money.
How Long the Battery Really Lasts
The headline 40 minutes is a best case, measured on dry grass at a sensible height. In practice, a single 48 volt battery clears roughly 250 to 350 square metres (2,700 to 3,800 square feet) of average lawn on one charge before it needs its hour on the charger. Push into long or damp grass and the motor draws more current to keep the blade spinning, so runtime drops and the covered area shrinks with it.
Two points decide whether that suits you. First, Gtech ships one battery, and there is no second cutting session until it recharges, so a garden that takes longer than about 40 minutes to mow means a break midway. Second, lithium batteries lose capacity when they run hot, so mowing through the heat of a summer afternoon shortens a charge compared with the same lawn cut in the cool of the evening. Store the battery indoors rather than in a baking shed, and it holds its runtime for longer across a season.
Which Garden Each Model Suits
These are mowers for a small to medium lawn, up to around 300 to 400 square metres (3,200 to 4,300 square feet) at the top end, cut regularly so the grass never gets away from the 42cm deck. The low 13.5kg heft makes them easy to lift over a step, turn around a border or carry to a roof terrace, and the cordless design removes the risk of mowing over a cable. The 30 to 80mm height range covers most tastes, from a close 30mm ornamental cut to a tick shy 80mm summer height.
They are the wrong tool for a large lawn, a paddock or a neglected plot. There is no self propulsion, so every metre is pushed by hand, which tires you on a big area or a slope. The single battery caps how much you can cut in one go, and the 42cm deck, while fine for a tidy lawn, takes many more passes than a 46 or 51cm mower on a large one. Grass left to grow long between cuts also clogs the deck and drains the battery, so a Gtech rewards a little and often routine rather than an occasional heavy cut.
Cut Quality and the Single Blade
Gtech’s mowers cut with a single rotary blade rather than the twin blades or cylinder of a premium machine, and that shapes the finish. On a lawn kept short, the single blade leaves a clean, even cut across the 42cm width. It does not stripe, as there is no rear roller to bend the grass and cast the light and dark bands a striped lawn shows; a Gtech leaves a tidy, uniform green rather than a patterned one. For most gardens that is no loss, but anyone set on bowling green stripes will want a rear roller mower instead.
The rotary action also means the mower collects rather than mulches by default. Clippings fill the 50 litre box, and on a small lawn cut weekly you might empty it once or twice a session. Let the grass grow long and wet, and the lighter 48 volt motor struggles to lift and cut the heavier load, leaving clumps behind and filling the box faster. The machine rewards the little and often habit its battery already encourages.
Living With a Gtech: Cleaning, Blades and Storage
Upkeep is light, which is part of the appeal. After each cut, tip the mower on its side once the battery is out and brush the caked grass off the underside of the deck, as a clogged deck narrows the gap the blade cuts through and leaves a ragged finish. A build up of damp clippings also holds moisture against the metal and speeds corrosion. Two minutes with a stiff brush after mowing keeps the cut clean and the deck sound.
The blade is a single bolt on part, and a replacement costs around £12 to £20 ($15 to $26) from Gtech; swap it once a year or whenever the tips turn ragged, as a blunt blade tears the grass and leaves whitened, frayed ends that invite disease. Look after the battery with the same care: charge it indoors, store it somewhere cool and dry rather than a freezing or baking shed, and top it up every couple of months over winter so it does not sit flat. Treated well, a lithium pack holds useful capacity for years, and the two year warranty covers the mower itself against early faults.
Where Gtech Fits Against Rivals
Against battery mowers from Bosch, Ego or Greenworks, Gtech’s pitch is lightness and simplicity rather than raw power or a shared battery platform. The Gtech battery powers Gtech tools, so it does not slot into a wider family of trimmers and blowers the way an Ego or Makita pack does, which is worth knowing if you want one battery for the whole shed. What you get instead is a light, uncomplicated mower that starts at the push of a switch and stores in a corner of the garage.
For the right garden, that is a fair deal. A homeowner with a small to medium lawn who wants to be rid of both petrol and cables, and who cuts often enough to keep the grass short, will find a CLM50 at its £299 sale price a sound buy. Anyone with a large lawn, long grass, or a plan to build a single battery system across several tools should look at a self propelled petrol mower or a shared platform brand instead. Match the mower to the lawn, and Gtech’s cordless simplicity is a strength rather than a compromise.
