SMACO Mini Scuba Tank 0.5L Portable Small Diving Tank for Underwater Breathing Reusable Diving Cylinder Lung Air Tank for Emergency Rescue Boat Cleaning Backup Air Source Pony Bottle S300
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Availability:
In Stock.
Arrives
Jun 3 – Jun 5
Style: S300(BLACK)+Anti-lost Rope+Compressor
Features
- LATEST UPGRADE S300: The latest S300 pony bottle is equipped with an external explosion-proof device to improve safety performance. It also uses an upgraded breathing valve core to make breathing easier and smoother, bringing you a better user experience
- RELIABLE AIR SUPPLY: The S300 0.5L scuba tank delivers approximately 35 breaths at 200 bar (tested at 16 ft depth).It incorporates a three-layer filtration system that effectively blocks dust and impurities, ensuring clean and reliable air with every breath
- PLANE ALLOWED: After you disassemble the scuba tank, you can take it on the plane and go diving anywhere. Its maximum diving depth is 16 ft and it can be used as a backup air source for deep diving within 100 ft. Mini diving cylinder is suitable for underwater exploration, boat cleaning, emergency rescue, backup air source, etc
- FOUR WAYS TO INFLATE: Local Dive Shop. SMACO scuba tank meets DOT standards and can be filled at local Dive Shops. SMACO 8mm refill adapter. Connect to a standard scuba tank to refill your SMACO in about 4 seconds. SMACO Air Compressor. It allows you to fill your 0.5L diving tank by yourself without any effort, in about 11 minutes. SMACO high pressure hand pump.It's the backup inflation method. You need supply the man-power in about 30 minutes
- WHAT YOU WILL GET: Perfect diving packages,include a 0.5L scuba tank, an anti-lose rope and a scuba air compressor
Brand Name: SMACO
Manufacturer: SMACO
Style: S300(BLACK)+Anti-lost Rope+Compressor
Date First Available: December 18, 2024
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Jun 3 – Jun 5
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Similar Products
Top Amazon Reviews
Style: S300(GREEN)+Anti-lost Rope
I recently purchased this SMACO scuba tank, and I am impressed with its surprising capabilities as a little diving companion for short underwater adventures or as a reliable backup air source. Right out of the box, I could tell it was well-made and of great quality. The upgraded safety design and improved breathing valve make it feel much safer and smoother to use. I really appreciate the clean breathing experience from the three-layer filtration system. It's a small detail that makes a big difference. The tank capacity provides around 10 minutes of dive time in my experience, which is perfect for quick underwater exploration. It’s also super convenient that you can take it on a plane after disassembly, making it great for travel. The tank can be easily filled with a hand pump. Overall, this scuba tank offers excellent portability, safety, and performance for recreational divers and adventurers alike. Great value for the money and great for taking on a cruise excursion.
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Reviewed in the United States on October 16, 2025 by Khan Khan
Style: S300(BLACK)+Anti-lost Rope
Great for shallow recreational diving. Just to drop down for a few minutes. Or as stated as a emergency back up. We'll constructed and solid.
Reviewed in the United States on January 4, 2026 by Tone311
Style: S300(BLACK)+Anti-lost Rope
The SMACO S300 Mini Scuba Tank is an awesome little powerhouse for short underwater adventures! I’m incredibly impressed with how well this 0.5L tank performs. It’s lightweight, easy to carry, and perfect for everything from quick dives to boat maintenance or emergency backup air. The latest S300 upgrades really shine—the external explosion-proof device and improved breathing valve make each breath smooth and effortless. It feels safe, sturdy, and very well-designed. I also love the three-layer filtration system, which keeps the air clean and gives extra peace of mind underwater. The up to 10 minutes of dive time is perfect for exploring shallow areas or handling small tasks below the surface. The fact that it’s plane-friendly when disassembled is a huge bonus—great for taking on trips and diving anywhere you go. Refilling options are super flexible too. Whether you fill it at a dive shop, use an adapter, compressor, or a high-pressure hand pump, it’s easy to keep this tank ready for your next adventure. Just note that the filling tools are not included, but that’s clearly stated. Overall, the S300 is compact, safe, and incredibly convenient—a fantastic mini tank for recreational divers, travelers, or anyone who wants a reliable emergency air source. Highly recommended!
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Reviewed in the United States on November 20, 2025 by R.E.L.
Style: S300(GREEN)+Anti-lost Rope
The media could not be loaded. I read the reviews and was hoping for something that didn't have problems. I followed the directions for the installation and went out to use my compressor to fill it up with air. It didn't even get a few hundred pounds into it when I heard air escaping. I took it off, bled the air out, uninstalled and inspected everything again, reinstalled everything and tried again. It is leaking from the regulator part, see video.
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Reviewed in the United States on February 25, 2026 by Brent South
Style: S300(BLACK)+Anti-lost Rope
I bought this and missed that it didn't have a pump. I have a buddy of mine with a scuba grade compressor though and he helped me fill it up. I tested it out in my pool. It lasted me around 6 minutes. Not too bad. It's enough for a nice small dive as long as I don't go too deep and keep track of my time. I think it's worth the money but make sure you have a way to fill it up. It's super easy to use but keep track of your air and I wouldn't take this cave diving. This is more for short dives. It's not very heavy and it's pretty comfortable to use too. I think this will be a lot of fun to use but hopefully my friend will continue to let me use his compressor.
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Reviewed in the United States on December 8, 2025 by Geeked Out Reviews
Style: S300(BLACK)+Anti-lost Rope+Hand Pump
The tank itself is great and works really well. The pump seems pretty high quality, but I am only giving it 4 stars because it takes forever to pump up. I ended up buying an air compressor that can fill it up in a few minutes. If you want to use this, just buy the tank by itself and get a compressor.
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Reviewed in the United States on September 30, 2025 by Amazon Customer
Style: S300(GREEN)+Anti-lost Rope
The SMACO mini scuba tank S300) is a great option for people who need a portable and reliable air source for short periods of underwater activities. With a 0.5L capacity, the tank provides up to 10 minutes of dive time and comes with a 3-layer filtration system for cleaner and safer breathing air. Plus, it's lightweight and easy to carry that makes it useful for short exploratory dives, emergency use, or boat maintenance. The ability to break it down for air travel is also great, making it easy for divers to carry it with them on trips. That being said, this tank is not going to be your primary air source and is best used as a backup, or for shallow dives (since the maximum depth of the S300 is going to be around 33 feet). Refilling the tank from the four inflation options (dive shops, a larger scuba tank, air compressor, or a hand pump) is pretty convenient, but the hand pump can also be tiring and time consuming. In the end, the S300 is a well-designed safety tool and a practical solution for hobby divers, or for anyone needing a compact emergency air source.
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Reviewed in the United States on August 18, 2025 by Ansowar Adem Ansowar Adem
Style: S300(GREEN)+Anti-lost Rope
The tank works well for short dives and. It’s lightweight, easy to carry, and simple to use. The tank gives a few minutes of breathing time, which is enough for quick checks or exploring shallow areas. It also refills easily by using another bigger tank and adapter, so you can use it multiple times.
Reviewed in the United States on November 23, 2025 by Aliaksandra Aliaksandra