Description
Mountfield SP185 Li Kit Cordless Lawn Mower – 48v Cordless Lawn Mower
The Mountfield SP185 Li Kit is the next generation of the hugely popular Mountfield SP185. It takes everything homeowners love about the traditional petrol model and upgrades it into a powerful, cordless, self-propelled mower with modern battery technology, quieter operation, and zero emissions.
Designed for lawns up to 400m², it is perfect for UK homeowners who want the performance of the SP185 — but without the petrol, fumes, noise, pull start or maintenance.
Other cordless lawn mowers include the Mountfield Princess 38 Li Cordless Lawn Mower and the Mountfield Princess 34 Li Cordless Lawn Mower
Key Features of the Mountfield SP185 Li Kit
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46cm cutting width – the classic SP185 size, ideal for medium UK gardens
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48V 5Ah lithium battery included – strong runtime and fast charging
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Self-propelled rear-wheel drive – you simply steer; the mower moves itself
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1.3kW brushless motor – more power, less noise, longer service life
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6 cutting heights from 22–65mm – adjustable with a simple central lever
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60-litre grass collector with bag-full indicator
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Steel cutting deck – durable, strong and premium quality
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Rear discharge option for longer grass
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Foldable handles for compact storage
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Lightweight & easy to manoeuvre compared to petrol equivalents
The SP185 Li Kit delivers the cut quality Mountfield is known for — now in a cleaner, quieter, easier-to-use format.
Why UK Homeowners Choose the Mountfield SP185 Li Kit
1. The SP185 You Know — Without Petrol
The original Mountfield SP185 is one of the most recognisable mowers in the UK. The Li version keeps:
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The same mowing feel
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The same 46cm deck
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The same reliability
But eliminates:
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Pull starting
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Oil changes
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Fuel storage
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Fumes and noise
Just push the button and mow.
2. 48V Battery Power You Can Trust
The high-capacity 48V 5Ah battery provides ample power for the motor and drive system. It comfortably covers lawns up to 400m², depending on conditions.
Benefits include:
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Quiet operation
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Constant power without bogging down
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Long battery lifespan
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No cables and no emissions
There is also space to store a second battery (optional) to double your mowing time.
3. Professional Cut Quality
With a 46cm steel cutting deck, the SP185 Li Kit:
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Cuts efficiently
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Handles uneven ground well
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Leaves a clean and even finish
The anti-scalp comb helps lift the grass before cutting, giving a more uniform result even on older lawns.
Six easy-adjust cutting heights let you switch quickly between a low summer cut and a longer spring or autumn trim.
4. Strong Grass Collection System
The 60-litre hybrid collector:
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Packs grass efficiently for fewer trips to empty it
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Has a light textile base for airflow
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Includes a full indicator
For longer grass, you can switch to rear discharge to keep moving without clogging.
5. Self-Propelled Convenience
The mower drives itself at a comfortable walking pace. This is especially helpful for:
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Sloping gardens
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Thicker grass
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Longer mowing sessions
It gives the same ease of use homeowners expect from the SP185 petrol version, but with far less noise and vibration.
6. Built to Last
The Mountfield SP185 Li Kit is engineered with durability in mind:
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Steel deck instead of plastic
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Brushless motor with fewer moving parts
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Ball-bearing wheels for smooth rolling
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Robust handle joints for long-term reliability
Registering your mower qualifies you for Mountfield’s long domestic warranty, reinforcing its reputation for reliability.
Technical Specifications – Mountfield SP185 Li Kit
| Feature | Specification |
|---|---|
| Power Source | 48V lithium battery |
| Battery Capacity | 5Ah |
| Motor Type | 1.3kW brushless |
| Drive System | Self-propelled, rear-wheel drive |
| Cutting Width | 46cm steel deck |
| Cutting Heights | 6 settings (22–65mm) |
| Grass Collection | 60 litres |
| Cutting Methods | Collecting, rear discharge |
| Recommended Lawn Size | Up to 400m² |
| Approx. Weight | 25kg |
| Wheels | 200/200mm, ball-bearing mounted |
Who the Mountfield SP185 Li Kit Is Best For
Choose this mower if you:
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Want the Mountfield SP185 experience without petrol
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Prefer low-maintenance mowing
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Have a medium-sized lawn up to 400m²
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Need self-propelled assistance
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Want quiet operation suitable for UK estates and close neighbours
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Want a mower that stores easily and folds compactly
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Prefer a steel deck for durability
It’s the ideal upgrade for homeowners switching from corded or petrol mowers.
Mountfield SP185 Petrol vs Mountfield SP185 Li Kit
Most people searching for “Mountfield SP185” are comparing the two versions.
Here’s how they differ:
SP185 Petrol
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139cc engine
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More servicing
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Louder operation
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Greater emissions
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Unlimited runtime with fuel
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Excellent power
SP185 Li Kit (Cordless)
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48V battery power
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Ultra-low maintenance
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Quick push-button start
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Much quieter
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Runtime suited to medium lawns
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No petrol fuss
For most typical UK homeowners, the SP185 Li Kit is the more convenient long-term choice.
FAQ – Mountfield SP185 / SP185 Li Kit
1. Is the Mountfield SP185 Li powerful enough?
Yes. The 1.3kW brushless motor paired with a 48V battery delivers excellent cutting and driving power, similar to many petrol mowers but with far less noise.
2. How long does the battery last?
The 5Ah battery is designed to mow lawns up to 400m² on one charge. Runtime depends on grass length, moisture and mowing height.
3. Is the SP185 Li self-propelled?
Yes. The mower drives itself forward at a comfortable walking speed, making it easy to use even on slopes.
4. Does it mulch?
No. This model offers grass collection and rear discharge, but does not mulch.
5. Is the deck metal or plastic?
The SP185 Li features a steel cutting deck, giving it the durability expected from Mountfield.
6. Does it come with a battery and charger?
Yes. The kit includes a 48V 5Ah battery and a charger, so you’re ready to mow straight away.
7. Is it quieter than a petrol mower?
Yes — dramatically. You will mainly hear the blade rather than an engine, making it ideal for early or late mowing without disturbing neighbours.
The Mountfield SP185 Li Kit is a premium cordless mower designed to replace the iconic Mountfield SP185 petrol model for modern households. With its 46cm steel deck, self-propelled drive, 48V battery system, and low-maintenance design, it is one of the best cordless mowers available for medium UK lawns.
If you want the cutting performance of a petrol mower without the noise, fumes or servicing, the SP185 Li Kit delivers everything the UK expects from Mountfield — upgraded for the future.
Find the Mountfield SP185 Li Kit Cordless Lawn Mower at Masseys in Swadlincote. For any more information please visit https://www.mountfieldlawnmowers.co.uk/



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