Description
Stihl FSA 70 R Cordless Strimmer
A more powerful cordless strimmer for homeowners who need extra performance without the hassle of petrol
The Stihl FSA 70 R cordless strimmer is a mid-range battery strimmer designed for homeowners who need more power than entry-level models like the FSA 60, while still keeping the convenience of cordless operation. Built on the Stihl AK battery system, it delivers stronger cutting performance for thicker grass and longer sessions—without noise, fuel, or maintenance.
Available from Masseys, with expert advice on batteries, setup, and aftercare.
See our full range of cordless strimmers, or our brand of Stihl strimmers.
At a Glance
- Best for: Medium gardens and regular use
- Power type: Cordless (Stihl AK battery system)
- Key benefit: More power than entry-level cordless strimmers
- Use case: Edges, borders, thicker grass, longer sessions
- Not for: Heavy-duty clearing or professional forestry work
What Is a Cordless Strimmer?
A cordless strimmer (battery grass trimmer) uses a rechargeable battery to spin a nylon cutting line for trimming grass, edges, and borders.
Cordless vs Electric vs Petrol
- Corded electric strimmer:
Limited by cable length and power access - Petrol strimmer:
More powerful but noisy, heavier, and requires fuel and maintenance - Cordless strimmer (FSA 70):
- No cables
- Low noise
- No fuel or servicing
- Instant start
For most UK homeowners, a Stihl cordless strimmer offers the best balance of performance, convenience, and ease of use.
Why Buy from Masseys?
- Expert advice on AK battery selection
- Help choosing the right model for your garden size
- Aftercare and servicing support
- Genuine Stihl products with manufacturer warranty
Key Features
- AK battery system compatibility – interchangeable with other Stihl tools
- More powerful than FSA 60 R – handles thicker grass and tougher areas
- Lightweight but capable design – balance of power and usability
- Quiet operation – suitable for residential environments
- AutoCut cutting head – efficient trimming with easy line feed
- Loop handle control – precise manoeuvrability around obstacles
Performance Breakdown
Real-World Performance
The Stihl FSA 70 R cordless grass trimmer is designed for:
- Lawn edges and borders
- Thicker or longer grass than entry-level models can handle
- Regular maintenance of medium-sized gardens
It offers a noticeable step up from the FSA 60, especially when working in denser patches or longer sessions.
Battery Runtime & Power
The Stihl FSA 70 R runs on the Stihl AK battery system:
- Compatible with AK 10, AK 20, AK 30
- Recommended: AK 20 or AK 30 for best performance
Runtime varies depending on conditions and battery size, but it is designed to comfortably handle full domestic garden sessions.
Handling & Ease of Use
- Balanced design reduces fatigue
- Loop handle improves control in tight areas
- Lightweight enough for extended use
This makes it ideal for users upgrading from lighter cordless models or replacing petrol tools.
Where It Sits in the Stihl Range
The Stihl FSA 70 R sits between entry-level and higher-powered cordless strimmers:
- More capable than FSA 60
- Easier to handle than heavier, high-power models
- Designed as a true mid-range cordless solution
Cordless vs Petrol Strimmers
| Feature | Cordless (FSA 70) | Petrol Strimmer |
|---|---|---|
| Noise | Low | High |
| Maintenance | Minimal | Regular servicing |
| Ease of Use | Very easy | More complex |
| Power | Medium | Higher |
| Best For | Domestic gardens | Heavy-duty clearing |
For most homeowners, cordless is now the preferred option.
FSA 60 R vs FSA 70 R vs FSA 80 R
Comparison Overview
| Feature | FSA 60 | FSA 70 (This Model) | FSA 80 |
|---|---|---|---|
| Power Level | Light–medium | Medium | Higher |
| Battery System | AK System | AK System | AK System |
| Weight | Very light | Light | Slightly heavier |
| Runtime | Moderate | Moderate–long | Longer |
| Capability | Grass + light trimming | Thicker grass + regular use | Tougher grass conditions |
| Best For | Small gardens | Medium gardens | Larger / tougher areas |
Which One Should You Choose?
Choose FSA 60 if:
- You have a small garden
- You want a lightweight, entry-level option
Choose FSA 70 if:
- You need more power for thicker grass
- You maintain a medium-sized garden regularly
This is the best all-round cordless strimmer for most users
Choose FSA 80 if:
- You need higher performance
- You regularly tackle tougher or larger areas
Technical Specifications
| Specification | Details |
|---|---|
| Battery System | STIHL AK System (36V) |
| Motor Type | Brushless EC motor |
| Weight (without battery) | Approx. 3.2 kg |
| Cutting Diameter | 380 mm |
| Cutting Head | AutoCut C 12-2 (Rapid Click) |
| Runtime (AK 20) | 25–45 mins (line) / 50–90 mins (PolyCut) |
| Speed Settings | 2 levels (Eco + Full power) |
| Sound Pressure Level | ~76–77 dB(A) |
| Sound Power Level | ~91 dB(A) |
| Vibration (L/R) | ~4.9 / 2.0 m/s² |
| Handle Type | Adjustable loop handle |
Who Is This For?
Ideal For:
- Homeowners with medium-sized gardens
- Users upgrading from entry-level cordless tools
- Those switching from petrol strimmers
- Regular garden maintenance
Not Ideal For:
- Heavy-duty clearing
- Thick brush or woody vegetation
- Professional forestry work
Price & Buying Considerations
The Stihl FSA 70 R price UK places it in the mid-range cordless category.
Pricing depends on:
- Tool-only vs kit (battery + charger)
- Battery size (AK 20 vs AK 30)
Contact Masseys for the best setup for your garden.
Frequently Asked Questions
What battery does the Stihl FSA 70 R use?
It uses the Stihl AK battery system, including AK 10, AK 20, and AK 30.
How long does it run?
Runtime depends on the battery used, with larger batteries providing longer working time.
Is it more powerful than the FSA 60 R?
Yes, the FSA 70 is designed as a step-up model with more cutting power.
FSA 70 vs FSA 80 – which is better?
The Stihl FSA 70 R is more balanced and easier to use. The FSA 80 offers more power for tougher conditions.
Can it handle thick grass?
Yes, it handles thicker grass better than entry-level models, but is not for heavy clearing.
Does it come with a battery and charger?
Some versions include them, others are tool-only—check with Masseys.
Related Products
- Stihl FSA 60 R cordless strimmer
- Stihl FSA 80 R cordless strimmer
- Stihl AK battery range
- Cordless garden tools
Is the Stihl FSA 70 R Worth It?
If you want a cordless strimmer with more power than entry-level models, but without the weight and complexity of professional tools, the Stihl FSA 70 R is the ideal middle ground.
It delivers:
- Stronger cutting performance
- Comfortable handling
- Low maintenance
- Flexible battery compatibility
Buy the Stihl FSA 70 from Masseys today or contact our team for expert advice on the right battery and setup for your garden.






