Description
Mountfield Electress 38 Li Kit Cordless Lawn Mower (38cm) – Review & Comparison
The Mountfield Electress 38 Li Kit cordless lawn mower is one of the most popular battery mowers in the UK for medium-sized gardens. Designed with a 38cm cutting width, twin 20V batteries, and lightweight push design, it delivers a balance of affordability, power, and ease of use.
If you’re choosing between the Electress 38 Li, Electress 34 Li, or Princess 38 Li, this guide breaks down exactly which one is right for your garden.
You can view our full range of lawn mowers, or specifically our range of Mountfield lawn mowers or cordless lawn mowers.
Key Features & Specifications
- Cutting width: 38cm (ideal for medium lawns)
- Batteries: 2 x 20V 4Ah lithium-ion included
- Runtime: ~25 minutes typical use
- Grass collector: 40 litres
- Lawn size: Up to 350m²
- Cutting heights: 25–75mm (6 positions)
- Weight: ~12–13kg lightweight design
Who This Mower Is Best For
- Medium UK gardens (front + back lawns)
- Homeowners upgrading from corded mowers
- Users wanting lightweight + low maintenance
- Quiet, emission-free mowing
Not ideal for:
- Large lawns over 400m²
- Very thick or wet grass regularly
Mountfield Electress Range Comparison
Electress 38 Li vs Electress 34 Li vs Princess 38 Li
| Model | Cutting Width | Power | Drive Type | Best For |
|---|---|---|---|---|
| Electress 34 Li | 34cm | 20V battery | Push | Small gardens |
| Electress 38 Li | 38cm | 2x 20V batteries | Push | Medium gardens |
| Princess 38 Li | 38cm | 48v Higher voltage system | Push | Larger / sloped lawns |
Key Differences Explained
- Smaller deck → easier storage
- Less coverage → more passes needed
Best for small gardens
- Wider cut = faster mowing
- Same lightweight platform
Best balance of price vs performance
- More powerful system
- Often self-propelled
Better for heavier grass & larger lawns
Performance Review
The Electress 38 Li stands out because it combines:
- Lightweight handling (~12kg)
- Decent runtime (~25 mins)
- Wide 38cm deck for faster coverage
In practice:
- Easily handles typical UK lawns up to ~350m²
- Struggles slightly with very long/wet grass (as expected for 20V platform)
Why Choose the Mountfield Electress 38 Li Over Competitors?
- No petrol maintenance (oil, spark plugs, etc.)
- No cable restrictions
- Lower noise levels vs petrol mowers
- Excellent value entry into cordless mowing
Expert Insight
At Masseys, we regularly supply and assemble Mountfield cordless mowers for UK customers. Based on real-world usage:
- The 38 Li is the most popular model in the range
- Customers upgrading from corded mowers see the biggest benefit
- The dual-battery setup offers noticeably better runtime than single battery models
If you’re unsure, we recommend:
- 34 Li → small, simple lawns
- 38 Li → most households
- Princess 38 Li → heavier-duty use
FAQs
How long does the Mountfield Electress 38 Li battery last?
Around 25 minutes with both batteries, depending on grass conditions.
Is the Mountfield Electress 38 Li suitable for large lawns?
It’s best for lawns up to 350m². Larger gardens may need multiple charges or a higher-powered model.
Is it better than the Electress 34 Li?
Yes for most users — the wider cut means faster mowing and better efficiency.
Is the Princess 38 Li worth the upgrade?
Only if you need:
- More power
- Self-propulsion
- Better performance in thick grass



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