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🌱 Cut smarter, not harder — your garden’s new best friend!
The Ryobi 18V ONE+ OLM1833B is a lightweight, cordless lawn mower with a 33cm cutting width, designed for small to medium gardens. Featuring 5 adjustable cutting heights (25-65mm), EasyEdge grass combs for precise perimeter trimming, and compatibility with Ryobi’s ONE+ battery system, it offers up to 45 minutes of cordless mowing on a single charge (battery sold separately). Its compact design and folding handle make storage simple, while the 35L grass collection bag and mulching plug provide versatile lawn care options.









| ASIN | B07PZXBTQ5 |
| Battery Average Life | 45 minutes |
| Best Sellers Rank | 2,875 in Garden ( See Top 100 in Garden ) 7 in Rotary Mowers 11 in Lawn Mower Parts & Accessories |
| Brand | RYOBI |
| Brand Name | RYOBI |
| Colour | red |
| Country Of Origin | China |
| Customer Reviews | 4.3 out of 5 stars 2,424 Reviews |
| Cutting width | 33 Centimeters |
| EU Spare Part Availability Duration | 5 Years |
| Included Components | Garden & Landscaping Tools;Powered Lawnmowers - Electric;1641089030 - Lawn Mower Parts & Accessories |
| Is Assembly Required? | No |
| Item Dimensions D x W x H | 157.5D x 28.4W x 157.5H centimetres |
| Item Type Name | 18V ONE+ Cordless 33cm Lawnmower (Body Only) |
| Item Weight | 10.3 Kilograms |
| Item weight | 10.3 Kilograms |
| Manufacturer | Techtronic Industries (UK) |
| Manufacturer Part Number | OLM1833B |
| Manufacturer Warranty Description | 2 |
| Material | Metal plastic |
| Material Type | Metal plastic |
| Maximum Adjustable Cutting Height | 65 Centimetres |
| Minimum Adjustable Cutting Height | 25 Millimetres |
| Model Number | OLM1833B |
| Number of Positions | 3 |
| Operation Mode | Automatic |
| Power Source | Battery Powered |
| Power source | Battery Powered |
| Style | Lawnmower Only |
| Style Name | Lawnmower Only |
| Unit Count | 1.0 count |
S**E
Almost Perfect Battery Lawnmower
I've had this for about 3 weeks now, and have done 3 cuts, so decided to put my thoughts down. Like most I enjoy a good quality lawn, and since moving house two years ago our lawn in now about 10 metre square so ditching the old petrol push mower for the 33cm cut Ryobi made sense as I was already invested in the eco system. Pros: Lightweight and easy to maneuver Good cut depth range (25-65mm) - I use the lowest setting labelled as '1' Effective grass collection system Works with Ryobi and aftermarket batteries Quiet operation Cons: Battery life is limited (10-15 minutes) Expensive batteries Overall, the Ryobi 33cm One+ 18v lawn mower is a good choice for small to medium-sized lawns, don't even think about it for large lawns. It is lightweight and easy to maneuver, and it cuts grass evenly and effectively. The grass collection system is also effective, and the mower is relatively quiet. However, the battery life is limited, and Ryobi batteries are expensive. If you are looking for a cordless lawn mower that is affordable and easy to use, the Ryobi 33cm One+ 18v is a good option. I didn't see the major benefit for a small lawn to pay the extra for the larger cut model.
B**R
Easy to use, works fine, think about batteries
This is a perfect mower for small to medium sized lawns if you're already in the Ryobi One+ ecosystem. I already have other Ryobi tools and batteries and chargers, so this is a great improvement on my old corded mower, much less faffing around. However, if you have smaller batteries - the kind of thing you might use on a drill - it'll struggle with bigger mowing jobs (ie overgrown grass on a large lawn), you might have to swap batteries halfway through, or pause so they can cool down (I find that batteries reach their thermal limit before they're fully discharged). Even then it's less hassle than dragging a cable everywhere. I think most people would find that the lighter & easier mowing leads to them doing smaller mows more often, and in that case battery life probably isn't a problem. The lighter mower & lack of cable could make it easier to drop by and mow a relative's lawn, or a neighbour. Of course it's not cheap (and if you're buying official branded batteries it can get even more expensive), but for me it's worthwhile. If you're mowing a really big lawn, then maybe 2-stroke is still the way to go?
R**B
Battery hungry
Bought this has I have a number of tools from the Ryobi one+ range so figured I'd give it a shot. I was a bit hesitant from the mixed reviews and was torn between the 33cm and 40cm blade versions, I figured the larger blade version would make for a quicker job but the price difference was just daft so I bought the 33cm body only and snagged a third party backup battery from Amazon. First impressions, it was light, looked typically Ryobi, the lever to change cut depth is stiff and difficult to change. My lawn was at a ridiculous length and of reasonable size, it took the full charge of two batteries over the course of about 15-20 minutes. There's no warning battery is low but you'll know because the mower will stall at anything with more resistance than a fart in the wind. It's a learning process using a battery mower, what length is too too long for the settings and therefore cause a cut out but once you get the hang of it, the ease of cutting and the speed in which you can wizz around the lawn makes it worthwhile. It seems to do a good job, it's too early to comment on reliability but I've been using Ryobi one for over 10 years and my original tools still work great and original battery still going therefore I have faith in this little mower. The lever to change level and the rate at which it burns through batteries would be irritating unless you've got plenty of battery backups and a fast charger. Grab a few third party backup batteries and make sure you have at least two at full charge if doing a lawn of reasonable size. If doing more than one lawn then double your batteries and if this seems too much hassle then this mower isn't for you. Oh, and the assembly instructions are rubbish, luckily assembly is pretty logical and straight forward. Update: after 3 years of moderate use this lawn mower has lost it's electrical spark. Despite replacing my stock of batteries the mower will only operate for 5-10 minutes at a time indicating a motor issue, possibly overheating. I've now switched to a different brand (begins with w and ends with x) and had far superior results and hopefully the new mower will last more than 3 mowing seasons.
M**Y
no more mains lead
lovely mower nice and light, has a handle on top so easy to pick up, i have already got ryobi strimmer and drill, so one battery was all i needed, good size grass box also has mulching adaptor, assembly easy just handle and four bolts, good value for money, i like ryobi tools any way, no more messing around with the mains lead to cut my lawn, all four wheels ajust together, which is good, two things on the down side the ajustment handle for the wheels is a bit flimsy just becarefull when ajusting hight, and the on off button, have to press hard to get it to start, still i like it
D**N
Great little mower
Perfect, just what I needed, a small mower to get between the raised beds and also stands in to do the main back lawn. I was able to get the front done on battery and the back with a second battery so no time was wasted waiting for batteries to charge. The mulching insert did confuse me, as I cut the front bed only to find no clippings in the grass box, after much head scratching I realised there was an insert that pulls out. Just so you know.
F**R
Easy use
Easy to use and lightweight. Cuts the grass really well. The basket holds quite a lot of grass. You can adjust the front wheels for different cut heights.
D**O
Not perfect but acceptable.
Lovely and light to use so no aches and pains. Won't cope with first cut of the season, or medium to long grass, but once the grass is manicured, this is so easy to use, it makes a quick tidy job. Downside is on the second use damage appeared where the bolts fit to join the handle sections. You can register the product on line ready for warranty if needed, however despite having registered the lawnmower, it was impossible to find the service/repair details. I am no idiot, but having tried several times to implement the warranty, and failed, I just gave up as I had more pressing things to attend to.
B**S
Very disappointed, virtually useless
I've had nothing but trouble with this mower. The first issue I'll admit could be partially my fault, but I still blame the manufacturer. They've chosen to provide a pictoral manual, which I guess makes sense to save money by not having to produce different manuals for different markets. But to me many of the pictures are not useful, specifically the one that tells you how to turn the stupid thing on. There are two squeeze levers as with many mowers, but there is also what the manual calls a "start button". It's less of a button but a release catch - if you squeeze the levers alone, nothing happens, you have to hold the release catch in and then squeeze the levers at the same time. The picture used for this operation is not clear at all, maybe I'm stupid but I work in aircraft engineering and can understand technical text and schematics. No matter how many times I pressed the button and then squeezed the levers, nothing happened. I initially thought the problem was with my batteries, which in itself is another issue I have with Ryobi - they have this "One+" platform where the premise is that one battery will power any of your tools, but it turns out there are several types of "One" battery, some obviously more suitable to certain applications than others, so the "One+" is a bit nonsense. That in itself would be fine if they told you which batteries are needed for which products, but there doesn't seem to be much of an indication at all, unless you only ever buy the package deals they offer - what's the point of having one battery to power all your tools if you actually buy a brand new one with every tool? Anyway, the thing wouldn't work, so I contacted their customer service via fb messenger and they said the mower will definitely work with your batteries, so it must be faulty. Get Amazon to replace it. Amazon did very kindly replace it, and guess what, same issue. I reported it again to their customer service and this time they asked me to report it on their website. I hadn't done that the first time because their website is awful and doesn't accept punctuation in your comments. I persisted with the damn thing a second time and eventually got it to accept my issue report, they haven't yet acknowledged or responded and this was a month ago. So I messed around with the stupid mower for some time, obviously *two* mowers can't be faulty, and eventually I figured out that the "start button" is not a button at all but a release catch. Then it started working. Okay great, this was late April, the grass didn't need cutting and the Environment Agency were promoting No Mow May to help the little bees, so I put it in the garage and forgot about it. I got it out today and had two batteries fully charged and ready to go, bearing in mind my garden is very small - it took about 10-15 minutes including reeling out the power cord to cut it with my old mower. This thing manages a strip of about 2m before it cuts out. I let go of the handles, press the RELEASE CATCH and squeeze the handles and it starts up again, so I cut another few centimetres and it cuts out again. This happens two or three times before it just dies completely and will not run - the battery has overheated. If you leave the battery for a while it will cool down, allowing you to repeat the process of cutting another couple of metres til it overheats. To my mind this is not fit for purpose.
K**D
SCAM DO NOT BUY
TOTAL SCAM!! Product is garbage. SELLER ONLY REFUNDED $24 ON A $464 PRODUCT . I have a very small yard; grass was not wet or tall. Just to get one row in (maybe 25 feet) had to switch batteries three times ( nothing wrong with batteries). So I return it, without any damage since I couldn’t even use it, i packed it exactly how it came to me with all the same packing materials. SELLER ONLY REFUNDED $24 OF THE $464 PRODUCT I had to contact Amazon numerous times and finally they refunded me because the seller refused. TOTAL SCAM
R**.
Leistungsstarker Akku-Rasenmäher – einfache Montage, top Ergebnis auch bei nassem Gras
Der RYOBI 18V ONE+ Akku-Rasenmäher OLM1833B hat mich rundum überzeugt. Die Lieferung erfolgte gut verpackt und pünktlich. Der Zusammenbau war sehr einfach und in wenigen Minuten erledigt – perfekt für alle, die keine komplizierte Montage möchten. Den ersten Einsatz musste der Mäher direkt unter schwierigen Bedingungen meistern: richtig nasses Gras. Trotz dieser Herausforderung war das Schnittergebnis sauber und gleichmäßig. Der Mäher arbeitet zuverlässig, ohne Leistungsverlust oder Verstopfung. Ich nutze den Mäher mit einem RYOBI ONE+ 18V 5Ah Akku, der ausreichend Power und eine gute Laufzeit bietet. Trotz der Kunststoffkonstruktion macht der Mäher einen sehr wertigen Eindruck und wirkt robust. Besonders gefällt mir die kompakte Bauweise und die 33 cm Schnittbreite, ideal für kleine bis mittlere Gärten. Die Handhabung ist leicht und angenehm, und dank des Akkubetriebs entfällt lästiges Kabelziehen. Ich bin sehr zufrieden und kann den RYOBI 18V ONE+ Akku-Rasenmäher uneingeschränkt empfehlen – eine klare Kaufempfehlung für alle, die einen leistungsstarken und einfach zu bedienenden Akku-Rasenmäher suchen.
D**E
Maneggevole e leggera
Al primo impatto mi è sembrata un po troppo "plasticosa". Per intendermi meglio, il comando di sicurezza accensione al manubrio, lo avrei preferito di una plastica migliore. Nel complesso sono soddisfatto, maneggevole e leggera. Utilizza una batteria da 5mAh con erba poco alta in un prato piccolo, l'utilizzo è veramente minimo tanto che la batteria rimane al 50% della sua carica.
O**X
Léger et robuste
Excellent achat, prévoir plusieurs batteries selon la superficie à tondre.
N**I
Ryobi TOP
spodziewałem się że będzie mniej prądu z aku ciągnąć ale poza tym lekka poręczna i spełnia swoje zadanie w 100% polecam
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