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Ryobi RLM18X33B40 ONE+ 33cm Lawn Mower (Hyper Green, 4.0Ah Battery)

Cordless Battery Mower

From: Ryobi

The Ryobi RLM18X33B40 lawn mower delivers cordless freedom for small to medium gardens up to 100 square metres. This lightweight 11.09kg mower features a 33cm cutting path that makes manoeuvring around obstacles simple.

The EasyEdge grass comb draws grass from the side into the blade path. This lets you cut right up to fences and walls without needing a separate trimmer. Single-point height adjustment offers five cutting positions from 25mm to 65mm.

The ergonomic handle adjusts to five different heights for user comfort. Folding handles and a collapsible grass catcher make storage compact. The 4.0Ah battery provides sufficient power for typical small garden cuts in one charge.


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Product Features

EasyEdge Grass Comb - The side-mounted grass comb draws grass inward toward the cutting blade. This feature eliminates the gap between the blade and mower edge that typically requires trimming afterward. You can cut flush against fences, walls and garden borders without switching tools. This saves considerable time and effort during lawn maintenance sessions. Single-Point Height Adjustment - One lever controls all four wheels simultaneously for quick height changes. The system offers five cutting positions from 25mm to 65mm to suit different grass types and seasonal requirements. No need to adjust each wheel individually like traditional mowers. The mechanism operates smoothly and locks securely at each position. Lightweight Design - At just 11.09kg, this mower weighs significantly less than petrol alternatives. The reduced weight makes it suitable for elderly users or those with mobility limitations. Lifting and manoeuvring around garden obstacles becomes effortless. The top-mounted carry handle provides a secure grip for transport and storage.
Cordless Operation - The 18V battery system eliminates trailing cables and extension leads completely. No risk of accidentally cutting through power cords or being limited by cable length. The 4.0Ah battery provides sufficient runtime for gardens up to 100 square metres on a single charge. Compatible with all Ryobi ONE+ batteries for maximum flexibility. Collapsible Storage System - Folding handles reduce storage space requirements by approximately 50%. The grass catcher collapses flat when not in use. Quick-release mechanisms make assembly and disassembly tool-free. Perfect for garages, sheds or small storage areas where space is at a premium. Ergonomic Handle System - Five height adjustment positions accommodate users from 150cm to 190cm tall. The soft-grip handles reduce hand fatigue during extended mowing sessions. Dual safety levers prevent accidental starting while providing comfortable operation. The handle design distributes weight evenly for balanced control.

FAQs

How long does the 4.0Ah battery last during mowing?

Battery runtime depends on grass conditions and cutting height settings. For typical small gardens up to 100 square metres, the 4.0Ah battery provides sufficient power for a complete cut. In longer or thicker grass, you may need 10-15 minutes of cutting time. Using higher cutting positions extends battery life significantly. Many users report completing their entire lawn on one charge, though having a spare battery ensures uninterrupted mowing for larger areas.

What size garden is this mower suitable for?

This mower works best for small to medium gardens up to 100 square metres. The 33cm cutting width makes it ideal for gardens with flower beds, trees, or other obstacles requiring careful navigation. For larger open lawns, you might prefer a wider cutting deck model. The lightweight design and compact size make it perfect for terraced houses, small suburban gardens, or courtyard spaces.

Can I use other Ryobi ONE+ batteries with this mower?

Yes, all Ryobi ONE+ 18V batteries work with this mower. Higher capacity batteries like 5.0Ah or 6.0Ah provide longer runtime for larger gardens. The intelligent battery management system protects against overheating and extends battery life. You can interchange batteries between all Ryobi ONE+ tools, making it cost-effective if you already own other tools in the range.

How does the EasyEdge feature work?

The EasyEdge grass comb extends from the mower's side to guide grass toward the cutting blade. This eliminates the typical 2-3cm gap between the blade and mower edge. You can cut flush against walls, fences and borders without needing separate trimming. The comb is particularly effective on longer grass that would normally bend away from the blade.

Is assembly difficult and what tools are required?

Assembly takes approximately 5-10 minutes and requires only basic tools. You need to attach the handle using four bolts, which are included. The grass catcher clips on without tools. The battery comes pre-charged in most cases, so you can start mowing immediately after assembly. The instruction manual uses clear pictorial guides for each step.

How do you start the mower safely?

Insert the battery and ensure it clicks securely into place. Hold down the safety release button while squeezing both handle levers simultaneously. The dual-safety system prevents accidental starting. Release either lever to stop the mower immediately. The safety key system means the mower cannot operate without a properly inserted battery.

What maintenance does this mower require?

Maintenance is minimal compared to petrol mowers. Clean the deck after each use to prevent grass buildup. Check the blade periodically for sharpness and damage. The blade can be removed and sharpened or replaced when necessary. Keep the battery contacts clean and store batteries in a dry location. No oil changes, spark plugs, or air filters to maintain.

How effective is the grass collection system?

The grass catcher holds a substantial amount of clippings and has good airflow for efficient collection. The collection rate depends on grass conditions - dry grass collects better than wet grass. The catcher has clear sides so you can see when it needs emptying. It detaches easily for disposal and cleaning. Some users prefer to mulch by removing the catcher for natural lawn fertilisation.

Ryobi RLM18X33B40 ONE+ 33cm Lawn Mower (Hyper Green, 4.0Ah Battery) Specs

Model NumberRLM18X33B40
ASINB07P66R641
BrandRyobi
Power Source18V Battery
Cutting Width33cm
Cutting Height Range25-65mm
Height Positions5
Weight11.09kg
Operation ModeManual Push
MaterialPlastic
ColourHyper Green
Battery Included4.0Ah
Charger IncludedYes
Handle TypeFolding, Removable
Handle Height Positions5
Grass CatcherCollapsible
EasyEdge FeatureYes
Safety SystemDual Lever
Recommended Garden SizeUp to 100 square metres
Assembly Time5-10 minutes
Warranty3 years
Blade TypeMetal
Battery PlatformRyobi ONE+
StorageCompact folding design
Mulching CapabilityYes (with adaptor)
Carry HandleTop-mounted
Wheel AdjustmentSingle-point all wheels
Start SystemSafety button and dual levers
Noise LevelQuiet operation
Suitable for Wet GrassLimited capability
Northminster Business Park
Upper Poppleton, York, YO26 6QU
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