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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30-day refund/replacement
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Availability:
In Stock.
Arrives
Saturday, May 30
Color: D GREEN
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
- PRESSURE & CORROSION RESISTANT:Constructed from aerospace-grade 6061 aluminum alloy for superior resistance to internal corrosion and external damage
Brand Name: SMACO
Color: D GREEN
Material: Aluminum
Suggested Users: unisex-adult
Manufacturer: SMACO
Date First Available: December 18, 2024
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Saturday, May 30
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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Top Amazon Reviews
Color: C GREEN
Don't be fooled. You will pump your ass off. I'm 41 in shape and it is hard to fill to 200 bar. Not impossible. A child cannot do this. You need mass and strength to fill this. I recommend using the electric pump or the bottle adapter. The hand pump is basically if you're in an apocalypse situation. The product itself is amazing. I'm a former IMCA DCBA diver. No need to worry about dive tables with this. Bowles and Charles laws obviously apply but you don't need to worry about that. I bought this for spear fishing the rivers and if my vehicle ever ends up in the drink. Get it. However refilling is a pain pain pain. Buy the 80l scuba tank and adapter. Make sure to get it hydro and filles professionally. Easy peazy
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Reviewed in the United States on April 4, 2026 by Avery R.
Color: A GREEN
I bought this SMACO (0.5L) mini scuba tank as a backup air source, and honestly, it really surprised me. It’s small, lightweight, and very easy to carry, which makes it ideal for activities like boat cleaning or short dives. The build quality feels solid, and the regulator works smoothly. I especially like that it has a built-in pressure gauge, because it gives me peace of mind knowing how much air I have left at all times. Of course, due to its size, it doesn’t replace a full scuba tank, but it performs perfectly as an emergency backup or for quick underwater tasks. Overall, it’s a reliable, well-designed product and very useful if you know exactly what you need it for. Great for anyone looking for extra safety without carrying heavy equipment.
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Reviewed in the United States on March 29, 2026 by Lucia b
Color: A BLACK
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
Color: A GREEN
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
Color: C BLACK
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
Color: A GREEN
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
Color: A GREEN
A beautiful, high-quality, and durable mini diving tank.
Reviewed in the United States on April 14, 2026 by Edward lui
Color: A GREEN
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