🧼 Our Favourite Pool Cleaners: Dolphin M400 CB vs Dolphin Liberty 400
When it comes to keeping your pool pristine, two standout robotic cleaners lead the way: the Dolphin M400 CB and the Dolphin Liberty 400. Both offer exceptional cleaning performance, but each has unique features suited to different pool setups and lifestyles.
🐬 Dolphin Liberty 400 – Cordless Convenience
Perfect for pools up to 10m, the Liberty 400 is a cordless robotic cleaner powered by a rechargeable battery. It’s ideal for those who want a hassle-free, tangle-free experience.
- Cleaning coverage: Floor, walls, and waterline
- Cycle time: Up to 2.5 hours
- Filtration: Easy-clean basket with interchangeable ultra-fine and fine debris filters
- Weight: 8.1kg
- Warranty: 3 years
- Certification: Climate Care Certified
Its sleek design and cordless operation make it a great choice for smaller pools and modern outdoor spaces.

🐬 Dolphin M400 CB – Power and Precision
Designed for pools up to 15m, the M400 CB is a corded cleaner with an 18m swivel cable that prevents tangling and ensures full coverage.
- Cleaning coverage: Floor, walls, and waterline
- Cycle options: Choose between 1.5, 2.5, or 3.5 hours
- Filtration: Easy-clean basket with interchangeable ultra-fine and fine debris filters
- Weight: 11kg
- Warranty: 3 years
- Certification: Climate Care Certified
The M400 is a powerhouse for larger pools, offering flexible cleaning cycles and robust performance.

🆚 Which One Should You Choose?
- Smaller pools or cordless preference? Go with the Liberty 400.
- Larger pools or more cycle control? The M400 CB is your best bet.
- Both models offer excellent filtration, easy maintenance, and are Climate Care Certified, making them eco-friendly choices for your pool care routine.