Optimus 3.6kW vs STIHL MSA 300 Chainsaw Comparison
Choosing the right professional cordless chainsaw comes down to power, runtime, ergonomics, and ecosystem compatibility. Below we compare two of the leading options available in the UK: the Optimus 3.6kW and the STIHL MSA 300.
Head-to-Head Overview
| Feature | Optimus 3.6kW | STIHL MSA 300 |
|---|---|---|
| Power Output | 3.6kW high-torque brushless | Approx. 3.0kW petrol-equivalent |
| Battery Platform | Optimus CORE 82V | STIHL AP System |
| Runtime | Depends on CORE battery choice | ~20–44 min (AP 500S) |
| Bar Length Options | Up to 40cm (16″) | 35–45cm (14–18″) |
| Weight (Tool Only) | ~4.2 kg | ~4.5 kg |
| Chain Tensioning | Tool-free | Tool-free |
| Protection Class | IPX4 weather resistant | IPX4 splash-water protected |
| Best For | Maximum cordless power for commercial jobs | STIHL ecosystem users needing petrol-like performance |
Power & Performance
Optimus 3.6kW
- Higher rated output for sustained commercial cutting.
- Brushless motor delivers strong torque and responsive throttle.
- Ideal for frequent, heavy workloads.
STIHL MSA 300
- Excellent power curve with selectable chain speeds.
- Designed to mimic petrol performance with quieter operation.
- Slightly lower peak power than Optimus but very efficient.
Winner (Power): Optimus 3.6kW
Battery Ecosystem
Optimus 3.6kW
- Uses the CORE 82V battery range for longer runtimes.
- Scalability across other Optimus cordless tools.
STIHL MSA 300
- Runs on STIHL AP batteries — widely supported and interchangeable with other STIHL cordless tools.
Winner (Ecosystem Flexibility): Tie (depends on user fleet)
Runtime & Usability
- Both saws feature ergonomic grips, anti-vibration design, and easy-adjust tensioning.
- STIHL includes LED status and Smart Connector readiness for fleet management.
Winner (Runtime): Optimus (with high-capacity CORE batteries)
Bar & Cutting Flexibility
- Optimus 3.6kW: Professional 40cm bar maximises cutting efficiency.
- STIHL MSA 300: Flexible bar options up to 45cm, which may benefit larger diameter work.
Winner (Bar Flexibility): STIHL MSA 300
Summary – Which Should You Choose?
Choose the Optimus 3.6kW if:
- Maximum cordless power in a commercial saw
- Longer runtimes with high-capacity batteries
- High-torque brushless motor
Choose the STIHL MSA 300 if:
- Already invested in the STIHL AP battery system
- Proven reliability and build quality
- Need bar size flexibility up to 45cm
Quick Verdict
- Best for Power: Optimus 3.6kW
- Best for Ecosystem: STIHL MSA 300
- Best for Flexibility: STIHL MSA 300
- Best for Runtime (with large batteries): Optimus 3.6kW