The Poseidon Roundpack is a rebreather from Poseidon – it recycles your exhaled gas, scrubbing out the CO2 and adding only the oxygen you actually use. Dramatically extends your bottom time and keeps you silent underwater at Langkawi’s pristine blue waters.
Technical Specifications
| Specification | Details |
| Brand | Poseidon |
| Product | Roundpack |
| Type | Semi-closed / Closed circuit |
| Depth Rating | – |
| Battery | Rechargeable |
| Display | LCD |
| Best For | Extended dives / Rebreather training |
Key Features
- Gas recycling: Scrubs CO2 and adds O2 – dramatically extends bottom time.
- Silent operation: No bubbles – ideal for marine life observation.
- Depth-rated: Designed for serious recreational and technical depths.
- Rechargeable: Built-in battery system – charge and go.
Suited for Malaysian Dive Sites
The Poseidon Roundpack is built to perform across Malaysia’s best underwater destinations. Whether you’re exploring Langkawi’s pristine blue waters, or heading to new reefs and wrecks, this gear delivers the reliability and comfort you need on every dive.
Care & Maintenance
- Strip it down and rinse all components after every dive – CO2 scrubber hygiene is critical.
- Replace the scrubber canister on the manufacturer’s schedule – never extend it.
- Recharge the battery fully before every dive.
- Have it serviced by a certified rebreather technician.
Final Verdict
Extended bottom time, no bubbles, silent operation – the Poseidon Roundpack opens up a different world of diving. For the committed diver, it’s transformative.





Sophia Wong –
I’ve tried other backpacks before, but the Poseidon Roundpack’s ergonomic design makes it extremely comfortable to wear. It’s truly a great investment!
Amanda Wong –
Wondering if the Poseidon Roundpack can withstand heavy rain and harsh weather conditions?
Imran Hanafiah –
Thank you for reaching out to us with your question about the Poseidon Roundpack. We understand your concern about its durability in harsh weather conditions. Our Poseidon Roundpack is designed with high-quality materials that are water-resistant, but not waterproof. However, it can withstand light rain showers. We highly recommend using a rain cover to protect your bag in heavy rain and extreme weather conditions. We also want to let you know that we have a 1-year warranty on our products, which covers defects and issues that may arise due to material or craftsmanship. If you have any further questions or concerns, please don’t hesitate to reach out to us. We’re here to help.
Evelyn Teo –
I recently purchased the Poseidon Roundpack, and it has been a lifesaver. The durable material and sleek design make it perfect for daily use. I like how it can fit all my essentials in a single pack. Definitely worth the price.
Melissa Goh –
Is the Poseidon Roundpack suitable for hiking or is it more geared towards daily use?
Junhao Lo –
Thank you for taking the time to review our Poseidon Roundpack, Melissa! ThePoseidon Roundpack is designed to be versatile and suitable for various uses, including hiking and daily activities. While it’s not specifically designed for extreme hiking or heavy-duty backpacking, it can still handle shorter hikes and day trips comfortably. With its rugged exterior and multiple pockets, it’s perfect for carrying your essentials on shorter treks or during daily commutes. However, for longer or more rugged hikes, you may want to consider a backpack specifically designed for backpacking. We appreciate your feedback and hope this information helps!
Ryan Tan –
I’ve been using the Poseidon Roundpack for a week now, and it’s been performing great. However, I wish the pockets were slightly bigger to fit my larger items.
Julia Lai –
Can the Poseidon Roundpack be used as a travel bag? Would it fit in overhead compartments of planes?
Junhao Lo –
Hello Julia, thank you for your interest in our Poseidon Roundpack. Yes, the Poseidon Roundpack can be used as a travel bag. The size of the bag is designed to be versatile and suitable for carry-on or personal item use in most airlines. While the dimensions may vary slightly depending on the airlines, the bag’s approximate dimensions are 22 inches length x 14 inches width x 8 inches height (55 x 36 x 20 cm), which should allow it to fit in most overhead compartments. I would recommend checking with your airline directly for any specific restrictions or requirements.