Smaco S700 Plus 2L Scuba Tank

The Smaco S700 Plus 2L Scuba Tank is designed for divers and water users who want a compact air source for short underwater tasks and recreational shallow-water exploration. With a 2-liter cylinder, upgraded regulator, and pressure monitoring, it offers a practical middle ground between small emergency air systems and larger dive equipment.

Whether you are checking a boat, exploring reefs, or looking for a portable scuba tank for light-duty use, the S700 Plus is built for convenience and ease of transport. Its backpack-style carry system and refill options make it a flexible choice for users who value mobility and straightforward operation.

Overview of the Smaco S700 Plus 2L Scuba Tank

The Smaco S700 Plus is a lightweight diving cylinder made from Aviation Aluminum 6061-T6 and designed to hold 2 liters of compressed air at 3000 PSI / 200 Bar. It is intended for shallow-water diving within its rated recreational limit and is commonly positioned as a portable scuba tank for short-duration underwater use.

According to the product details, the tank provides approximately 25 to 30 minutes of underwater autonomy, depending on depth and breathing rate. Actual time underwater can vary significantly based on conditions and user exertion.

Key Features

• 2L cylinder capacity: Offers more air than standard 1L mini tanks while remaining compact.
• Upgraded S700 regulator: Designed for smoother airflow and lower breathing resistance.
• Triple-layer filtration: Helps filter moisture, oil, and impurities from intake air.
• Pressure gauge: Includes a luminous, waterproof gauge for monitoring remaining air.
• Backpack-style harness: Helps distribute weight and keeps the tank secure during use.
• Multiple refill options: Compatible with the Smaco High-Pressure Hand Pump, Heap 1 Compressor with appropriate adapters, or a larger dive tank using the Smaco Scuba Tank Refill Adapter.

Who It Is Designed For

This portable scuba tank is intended for users who need a compact air supply for limited-duration underwater activities. Common use cases include:

• Recreational shallow-water diving
• Boat and hull inspection tasks
• Short underwater maintenance jobs
• Reef viewing and light exploration
• Travel-friendly diving setups

It is important to note that this product is not a replacement for full scuba equipment used for deeper, longer, or more advanced diving applications.

Performance and Usability

The upgraded second-stage regulator is one of the main improvements in the S700 Plus model. It is designed to provide more consistent airflow and a more natural breathing feel during use. The constant pressure valve supports stable air delivery from a full tank to lower pressure levels.

The tank’s compact size makes it easier to transport than full-size scuba cylinders, and the included carry bag supports hands-free movement. For users seeking a lightweight diving cylinder for short sessions, this design may offer a practical balance of portability and function.

Technical Specifications

• Capacity: 2.0 Liters
• Material: Aviation Aluminum 6061-T6
• Maximum Pressure: 3000 PSI / 200 Bar
• Underwater Duration: 25–30 minutes, depth dependent
• Maximum Depth: 10 meters recreational limit
• Weight (full): Approx. 3.5 kg / 7.7 lbs
• Dimensions: 430 × 110 mm
• Certification: CE / DOT compliant

Refill and Maintenance Considerations

Before using any high-pressure scuba tank, users should confirm that refill equipment, adapters, and procedures are compatible with the product specifications. Proper maintenance, correct air quality, and safe filling practices are essential for safe operation.

As with all diving gear, regular inspection of seals, gauges, and regulator components is recommended. Users should also follow the manufacturer’s operating limits and avoid exceeding the maximum rated depth.

Frequently Asked Questions

How long does the Smaco S700 Plus 2L Scuba Tank last?

The product description states approximately 25 to 30 minutes of underwater autonomy, but actual duration depends on depth, breathing rate, and activity level.

What is the maximum depth for this tank?

The rated maximum depth is 10 meters, which places it within recreational shallow-water use.

Can this tank be refilled at home?

Yes, the product is designed to support multiple refill options, including a high-pressure hand pump, a compatible compressor with adapters, or refilling from a larger dive tank.

Is the Smaco S700 Plus suitable for travel?

Its compact size and included carry bag make it a travel-friendly scuba tank for users who need a portable underwater air source.

What materials is the tank made from?

The cylinder is made from Aviation Aluminum 6061-T6, which is commonly used in lightweight pressure vessels.

Does it include a pressure gauge?

Yes, the tank includes a high-visibility, waterproof, luminous pressure gauge for monitoring remaining air.

Is this a full scuba replacement?

No, it is a compact portable scuba tank intended for short, shallow-water use rather than extended or deep scuba diving.