Einhell GE-CM 18/33 Li vs Einhell GE-HM 18/38 Li Solo
We compare the Einhell GE-CM 18/33 Li and the Einhell GE-HM 18/38 Li Solo across every dimension that matters - our scores, the key specs, and how each performs on the things you will actually notice day to day.
At a glance
| Einhell GE-CM 18/33 Li | Einhell GE-HM 18/38 Li Solo | |
|---|---|---|
| Our score | 9.0/10 | 7.1/10 |
| Best for | Keeping your lawn tidy to suit its size and terrain | Keeping your lawn tidy to suit its size and terrain |
| Not ideal for | A lawn much bigger or rougher than this mower is built for | A lawn much bigger or rougher than this mower is built for |
| Brand | Einhell | Einhell |
Mower Type and Power
Einhell GE-CM 18/33 Li
This lawn mower is a cordless lawn mower designed to run on an 18V Power X-Change battery. It is classed as a cordless tool, so it runs on its battery rather than mains power, which supports use around the garden without an extension lead. As the motor is described as brushless, it is intended to deliver efficient operation. Power availability is limited by the battery system, so longer sessions may require battery recharging, depending on use and battery capacity.
Einhell GE-HM 18/38 Li Solo
Mower type and power shape how this lawn mower is expected to perform in everyday grass cutting. It is a cordless, walk-behind cylinder lawn mower designed for manual guiding over the lawn surface. A cordless 18V setup depends on the charge available, so performance will vary with battery choice and grass thickness. With a 38 cm cutting width, it is suited to small to medium areas, where frequent, manageable passes help maintain an even finish.
Cutting Width and Deck
Einhell GE-CM 18/33 Li
With the mower type and 18V battery system covered, attention now shifts to the cutting width and the deck layout, since these directly affect how much lawn is covered with each pass and how clippings are handled. The Einhell has a 33 cm cutting width, delivering a moderate strip of cut per pass rather than a broad swath. Its deck is set up to feed clippings into the 30 L grass box, helping keep the mowing area tidy. The mower also provides 5 cutting heights, allowing users to match grass length, though the number of height settings limits the scope for very fine adjustment.
Einhell GE-HM 18/38 Li Solo
A 38 cm cutting width sets the pace for the Einhell. With a wider path covering more ground per pass, the stated width helps keep the cutting line consistent across the lawn. The deck layout supports a walk-behind cylinder style cut, and the mower includes 4 cutting heights, enabling adjustments for different grass conditions before returning to the same passes. For edging and tight borders, the 38 cm deck width may require careful steering, slower progress, and overlapping trails.
Lawn Size and Collection
Einhell GE-CM 18/33 Li
For smaller to medium lawns, a 33 cm cutting width means each pass covers a limited strip, so mowing wider areas takes longer than on models with larger decks. The lawn mower is a cordless lawn mower with a 30L grass box, so grass collection depends on bag capacity as grass volume increases. With lighter trimming and frequent sessions, the grass box is less likely to fill quickly, keeping the workflow steady. With thicker, longer growth, the box can fill faster, so stopping to empty it becomes part of the routine to maintain cutting consistency. Lawn shape also matters, particularly around edges and obstacles.
Einhell GE-HM 18/38 Li Solo
With a 38 cm cutting width that helps define the mowing pattern, lawn size planning also matters for how well the lawn mower can keep up from pass to pass. The cordless cylinder mower is suited to moderate areas. For collection, the 45L grass box supports longer sessions before emptying, so mowing larger lawns can feel more steady. A practical approach is to work in overlapping strips, then aim the clippings into the box, adjusting the four cutting heights as lawn conditions change. For very large lawns, breaks may be needed.
Ease of Use and Storage
Einhell GE-CM 18/33 Li
Ease of Use and Storage matter because they affect how often the mower can be used, not just how it cuts. The Einhell is cordless, which makes it easier to start and move around the garden than corded alternatives, and it removes the need to manage a power cable. Operation uses an included 18V battery system, so swapping or charging the battery forms part of routine use. A 30L grass box collection system supports quicker emptying during mowing sessions, although capacity will depend on how quickly the grass box fills in taller growth. For storage, the 33cm cutting width helps it fit in smaller sheds, and it is manageable on a shelf when fully dried.
Einhell GE-HM 18/38 Li Solo
Ease of use and storage for the Einhell centres on its walk-behind, cordless design and the ability to get it ready for use between sessions. After fitting the 18V battery (not included), the mower is ready for pushing. It has a 38cm cutting width for covering ground efficiently, with a 45L grass box for collecting clippings. Cutting height is adjustable across four settings by changing the mower's adjustment positions. After use, it can be stored compactly, although the amount of space required depends on how much room is needed for handling and for storing the grass box safely.
Who Is This Lawn Mower For?
Einhell GE-CM 18/33 Li
Who this lawn mower suits best depends on the type of garden work planned, because the lawn mower is a cordless mower built around an 18V Power X-Change battery system and designed with a 33cm cutting width. It is suited to homeowners with smaller lawns who want a lighter cordless option for regular mowing, since the 33cm deck supports efficient passes and manoeuvring around obstacles. It also fits users who can manage battery charging as part of routine mowing, because cordless operation depends on having a suitable battery available. The 30L grass box suits those who prefer collecting clippings, while multiple cutting heights help when grass levels vary slightly.
Einhell GE-HM 18/38 Li Solo
This lawn mower suits people who want a walk-behind, cordless 18V option for small to medium lawns, where a 38cm cutting width is enough to cover the area without repeated passes. It is a good match for those who value mulching, since clippings can be handled on the lawn rather than only collecting. The 45L grass box can help during longer mowing sessions by reducing how often it needs emptying, although capacity limits still apply. Simple height adjustment with 4 cutting heights makes it suitable for different grass conditions. For very large gardens, not stated.
Einhell GE-CM 18/33 Li: pros
- Cordless mower
- 33cm cutting width
- 18V battery
- Grass box collection
- Keeps the lawn tidy for its size
Cons
- Battery run time limits very large lawns (check battery is included)
- Match the cutting width and power to your lawn size
- Heavier models are harder to manoeuvre and store
Einhell GE-HM 18/38 Li Solo: pros
- Cordless mower
- 38cm cutting width
- 18V battery
- Mulching
- Keeps the lawn tidy for its size
Cons
- Battery run time limits very large lawns (check battery is included)
- Match the cutting width and power to your lawn size
- Heavier models are harder to manoeuvre and store
Our verdict
Our pick is the Einhell GE-CM 18/33 Li (our score 9.0/10) - A capable lawn mower (cordless mower, 33cm cutting width, 18V battery) for a well-kept lawn. The Einhell GE-HM 18/38 Li Solo is still worth it if it is cheaper when you check, or if it better matches your specific needs.