Mountfield ELECTRESS 30 Li 12″ Cordless Lawnmower (Kit)

The Mountfield ELECTRESS 30 Li is a compact and lightweight cordless lawnmower, perfect for small gardens. This complete kit includes a 20V 4Ah battery and charger, offering an all-in-one solution for a tidy lawn.

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The Freedom100 range is an exciting new range for 2021. Featuring 3 lawn mowers with cutting widths ranging from 30-38 cm and 4 garden power tools: blower, grass trimmer, hedge trimmer and multi-tool. Powered by class leading 20V Lithium-Ion batteries, each product has a battery and charger included.

This range is a great starter kit for anyone entering into the cordless market for the first time and offers great value for money.

Description

Why buy the Mountfield ELECTRESS 30 Li 12″ Cordless Lawnmower (Kit)?

  • Powered by an efficient STIGA ePower 20V 4Ah Lithium-ion battery
  • Compact 30cm (approx. 12″) cutting width, perfect for smaller lawns
  • Lightweight polypropylene chassis ensures excellent manoeuvrability
  • 30-litre plastic grass collector for clean and tidy mowing
  • Three cutting height positions ranging from 30mm to 70mm
  • Complete kit including a 4Ah battery and standard charger

Compact, Efficient, and Cordless Freedom

The Mountfield Electress 30 Li cordless lawnmower provides a truly hassle-free mowing experience, free from the constraints of cables, fumes, or starting issues. Designed for simplicity, you just need to insert the included battery and you are ready to mow. It is the ideal choice for homeowners with small lawns up to 150sqm seeking a convenient and effective cutting solution.

Advanced Battery Power

At its core, the Electress 30 Li is powered by advanced STIGA ePower 20V 4Ah Lithium-ion battery and motor technology. This combination is highly energy-efficient, delivering consistent performance and excellent run times of up to 20 minutes, depending on cutting conditions. The simple push-button start eliminates the strain of pull-cords, making it accessible for all users.

Designed for Performance and Durability

Featuring a 30cm cutting width, this hand-propelled mower is easy to navigate around garden obstacles. The cutting height can be adjusted on the axles to three different positions, from 30mm to 70mm, allowing you to adapt to your lawn’s needs. The lightweight yet durable polypropylene chassis is rust-proof and built to last. For improved handling, the 140mm grooved wheels provide better traction across the lawn. Grass clippings are neatly collected in the 30-litre plastic grass catcher, which is simple to remove and empty. When the job is done, the foldable handlebars make for compact, space-saving storage.

Your Authorised Mountfield UK Dealer

When you purchase a Mountfield lawnmower from Sims Garden Machinery, you are choosing an established, authorised UK dealer with a century of experience. Unlike online-only retailers, we offer complete support. Our trained sales staff are available to offer expert advice at our Stratford-upon-Avon showroom, and our workshop is staffed by trained mechanics for long-term servicing and support. For local customers, this lawnmower will be fully assembled and undergo a free pre-delivery inspection (PDI). We also offer complimentary local delivery and a handover demonstration to ensure you are confident using your new machine.

Not sure which machine or part is right for you?
Our team is here to help. Contact us today for expert advice.

Technical Specification

Specification Value
Power Source Battery
ePower Yes
Power 0.35 kW
Battery Kit Included
Battery Capacity 4 Ah
Voltage 20V
Recommended Mowing Area 200 ㎡
Cutting Width 30 cm
Deck Material Polypropylene
Cutting Height Adjustment On axles
Cutting Height Positions 3 positions
Cutting Height Range 30 – 70 mm
Driving Push
Collector Capacity 30 L
Foldable Handlebar Yes
Weight 8.9 kg
Guaranteed Sound Power Level (LwA) 82 dB(A)

Why buy from Sims Garden Machinery?

Authorised Dealer

Authorised main dealer

We are authorised dealers for leading brands, meaning genuine parts, manufacturer-approved training, and warranty support you can rely on.

Real People

Real people, real support

No call centres. No ticket systems. Just a knowledgeable local team you can speak to when you need help.

Expert Advice

Expert advice — not pushy sales

Our team are trained mechanics and product specialists, so you get honest, practical advice based on how you’ll actually use the machine.

Since 1908

Established, independent family business

We’re a long-standing independent dealer with deep roots in the local area — built on reputation, repeat customers, and word of mouth.

Frequently Asked Questions

What size garden is the Mountfield ELECTRESS 30 Li suitable for?

The Mountfield ELECTRESS 30 Li is specifically designed for smaller gardens. With its 30cm (approx. 12″) cutting width, it is ideally suited for lawns up to 150-200 square metres.

How long does the battery last and is it included?

This model comes as a complete kit, which includes one 20V 4Ah ePower battery and a standard charger. A fully charged battery provides a run time of up to 20 minutes, though this can vary depending on grass length, density, and moisture.

How do I adjust the cutting height?

The cutting height is adjusted manually on the axles of the wheels. There are three available positions, allowing you to set a cutting height between 30mm and 70mm to suit your lawn’s condition.

Is this lawnmower easy to store?

Yes, the Electress 30 Li is designed for easy storage. It features foldable handlebars that reduce its overall footprint, and its lightweight polypropylene construction makes it easy to lift and move. Its compact size is perfect for sheds or garages with limited space.

User Manuals / Downloads


View Mountfield Brochure

Additional information
Brand

Blade Brake Clutch Indicates if the blade can be stopped while the engine keeps running.

FALSE

Collector Size The capacity of the grass collection bag or box in litres.

30

Cutting Method The cutting mechanism used (e.g., Rotary or Cylinder).

Rotary

Cutting Width The width of the grass cut in a single pass.

30 cm

Deck Material The material the cutter deck is constructed from (e.g., Steel, Aluminium).

Polypropylene

Drive Type How the mower is propelled (e.g., Push, Self-Propelled, Variable Speed).

Push

Electric Start Indicates if the machine features a key or push-button electric starter.

TRUE

Mowing Functions Available mowing modes (e.g., Collection, Mulching, Side-Discharge).

["Collection"]

Power Output (HP) The tool\'s power output measured in horsepower (hp).

0.5

Power Output (kW) The tool\'s power output measured in kilowatts (kW).

0.35

Rear Roller Indicates if the mower features a rear roller for creating lawn stripes.

FALSE

Power Source The primary energy source (e.g., Petrol 4-stroke, Battery, Electric).

Cordless

UNIVERSAL-Collection Type

Collect

WB-Mower Type?

Rotary

WB-Cutting Width

12"

WB-Propulsion Type

Push

WB-Wheel Type

Wheels

Specification

Specification

Battery Type Lithium-Ion
Battery Power 20v / 4Ah
Battery Run Time 20 Minutes
Cutting Width 30cm
Cutting Heights 25-65mm (3 Positions)
Height Adjustment On Axles
Grass Collector 30 Litres
Mulching No
Side-Discharge No
Cutting Deck Polypropylene
Handles Foldable / Adjustable
Wheels Front 140mm / Rear 140mm – with Grooved Tread
Safety Features Operator Presence Control
Lawn Size Up to 150m2
Weight 8.9kg
Warranty 2 Years
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About Mountfield
At Sims Garden Machinery we stock a wide range of Mountfield garden equipment. We offer a range of lawn tractors and rider mowers, suited for commercial lawn maintenance. We also have a range of regular lawn mowers, in both petrol and electric models. We stock cordless hedge trimmers and grass trimmers, along with more specialist gardening equipment like pole pruners. Finally, we have spare batteries for cordless lawnmowers, and battery charging stations. We can deliver Mountfield garden equipment across the UK. Upon arrival a member of our team will assemble and demonstrate your equipment to you, ensuring safe and correct usage. Our industry-trained sales team are available to help with any queries you have about our range of Mountfield gardening equipment. Speak to a member of our team today to discuss lawnmowers, hedge trimmers, or accessories. At Sims Garden Machinery we have been selling high-quality gardening equipment for over 100 years, remaining a family-run business.
Shipping & Delivery

FREE PDI, DELIVERY & HANDOVER

We offer a free delivery service for all machines within a 30 mile radius. Not only that; we build, inspect and run up every machine prior to delivery. Making sure you get a fully functional machine that is set-up and ready for use. On delivery we will run through with you any instructions & maintenance advice so you are comfortable with your new machine.

NATIONAL DELIVERY

  • Each machine will be tested prior to delivery.
  • Orders will be sent out via either ThePalletNetwork or DHL insured service.
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