--- product_id: 478387850 title: "SMACO S400 Pro 1L Scuba Tank Mini Scuba Diving Tank—DOT Certified Tank with 15-20 Minutes Backup Scuba Tank Kit Diving Oxygen Underwater Breathing Device with Aluminum Hard Case" price: "¥33451" currency: JPY in_stock: false url: https://www.desertcart.jp/products/478387850-smaco-s400-pro-1l-scuba-tank-mini-scuba-diving-tank store_origin: JP region: Japan --- # 15-20 min dive backup DOT certified safety 3 fast refill methods SMACO S400 Pro 1L Scuba Tank Mini Scuba Diving Tank—DOT Certified Tank with 15-20 Minutes Backup Scuba Tank Kit Diving Oxygen Underwater Breathing Device with Aluminum Hard Case **Price:** ¥33451 **Availability:** ❌ Out of Stock ## Summary > 🤿 Elevate your dive game with SMACO S400 Pro — your compact underwater lifeline! ## Quick Answers - **What is this?** SMACO S400 Pro 1L Scuba Tank Mini Scuba Diving Tank—DOT Certified Tank with 15-20 Minutes Backup Scuba Tank Kit Diving Oxygen Underwater Breathing Device with Aluminum Hard Case - **How much does it cost?** ¥33451 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/478387850-smaco-s400-pro-1l-scuba-tank-mini-scuba-diving-tank) ## Best For - Customers looking for quality international products ## Why This Product - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **All-in-One Dive Kit:** Includes aluminum hard case, cloth bag, and air compressor for ultimate portability and protection. - • **Certified Confidence:** DOT certification ensures reliable, shop-free inflation wherever your adventure takes you. - • **Rapid Refill Options:** Choose from hand pump, refill adapter, or electric pump to top up in as fast as 8 seconds. - • **Hands-Free Convenience:** Upgraded waist pack design frees your hands for seamless underwater exploration. - • **Dive Longer, Dive Smarter:** 1L capacity delivers up to 340 breaths for 15-20 minutes of underwater freedom. ## Overview The SMACO S400 Pro is a DOT-certified 1L mini scuba tank designed for 15-20 minutes of backup underwater breathing. Featuring an upgraded pressure gauge extension and a hands-free waist pack, it offers convenience and safety. With three refill methods including a rapid 8-second adapter fill, it’s a portable, all-in-one dive kit housed in a durable aluminum hard case. ## Description desertcart.com : SMACO S400 Pro 1L Scuba Tank Mini Scuba Diving Tank—DOT Certified Tank with 15-20 Minutes Backup Scuba Tank Kit Diving Oxygen Underwater Breathing Device with Aluminum Hard Case S400PRO-D-Black : Sports & Outdoors ## Features - 🏊【2021 NEWEST UPGRADED】:S400 pro mini scuba tank uses an extension tube to connect to the pressure gauge, which is more convenient for us to check the pressure gauge when diving. At the same time, our original portable messenger bag has been changed to a portable waist pack bag. You can easily carry it and free your hands to do more things underwater. - 🏊【DOT CERTIFIED SCUBA TANK】 : In order to solve the pain of not being able to inflate in the dive shop, we have DOT certified for our diving bottles. You can solve the inflation problem of the diving bottle more freely according to your own needs. - 🏊【LARGER CAPACITY BUT PORTABLE】: SMACO diving tank has a capacity of 1L, and can be used for 340 underwater breaths at full capacity. It can be used for 15-20 minutes of diving time.We use an aluminum hard case, diving bottles and a cloth bag can all be placed in the aluminum hard case. Better for everyone to carry. - 🏊【THREE GAS-FILLED METHODS】: You can use a high pressure hand pump to inflate the scuba tank at any time.(Usually fill up in about 25-30 minutes.)At the same time,you can use SMACO Refill adapter,large bottles guide vials,this is the fastest and most convenient method, usually filling a 1 liter diving tank in 8 seconds. if you have an electric air pump at home, it will leave you more time and money. - 🏊【WHAT YOU WILL GET】:❤Perfect diving packages(include a 1L scuba tank, aluminum hard case, a cloth bag, and an air compressor)❤24 hours services online.❤Lifetime Customer Support. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09MCJMRX5 | | Best Sellers Rank | #1,722,869 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #515 in Diving Tanks | | Brand Name | SMACO | | Customer Reviews | 4.7 4.7 out of 5 stars (4) | | Date First Available | November 22, 2021 | | Manufacturer | SEBiger | | Part Number | S400PRO-D6-BLACKDOT | | Style | S400 Pro-d-black | ## Images ![SMACO S400 Pro 1L Scuba Tank Mini Scuba Diving Tank—DOT Certified Tank with 15-20 Minutes Backup Scuba Tank Kit Diving Oxygen Underwater Breathing Device with Aluminum Hard Case - Image 1](https://m.media-amazon.com/images/I/61Tio36O5AL.jpg) ![SMACO S400 Pro 1L Scuba Tank Mini Scuba Diving Tank—DOT Certified Tank with 15-20 Minutes Backup Scuba Tank Kit Diving Oxygen Underwater Breathing Device with Aluminum Hard Case - Image 2](https://m.media-amazon.com/images/I/71kc-V0Km-S.jpg) ![SMACO S400 Pro 1L Scuba Tank Mini Scuba Diving Tank—DOT Certified Tank with 15-20 Minutes Backup Scuba Tank Kit Diving Oxygen Underwater Breathing Device with Aluminum Hard Case - Image 3](https://m.media-amazon.com/images/I/71yLphE79jS.jpg) ![SMACO S400 Pro 1L Scuba Tank Mini Scuba Diving Tank—DOT Certified Tank with 15-20 Minutes Backup Scuba Tank Kit Diving Oxygen Underwater Breathing Device with Aluminum Hard Case - Image 4](https://m.media-amazon.com/images/I/61MVqf-HT8S.jpg) ![SMACO S400 Pro 1L Scuba Tank Mini Scuba Diving Tank—DOT Certified Tank with 15-20 Minutes Backup Scuba Tank Kit Diving Oxygen Underwater Breathing Device with Aluminum Hard Case - Image 5](https://m.media-amazon.com/images/I/71LZvq6Bm+L.jpg) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.jp/products/478387850-smaco-s400-pro-1l-scuba-tank-mini-scuba-diving-tank](https://www.desertcart.jp/products/478387850-smaco-s400-pro-1l-scuba-tank-mini-scuba-diving-tank) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-09-22*