Hyper S300Plus 0.5L Mini Scuba Tank

The maximum operating depth depends on the tank size:

0.5L–1L Tanks: Suitable for use up to 5 meters (16 feet). When used with a full-face mask, the maximum depth is 3 meters (10 feet).

2L Tanks: Suitable for use up to 10 meters (33 feet).

Breathing time varies depending on depth, activity level, and breathing rate. On average, 0.5L tanks provide approximately 6–10 minutes of air at shallow depths. 1L tanks offer around 15–20 minutes, while 2L tanks may last 30–35 minutes.

Always monitor your pressure gauge during use. If the pressure gauge shows less than 2 MPa, return to the surface and refill before diving again.

While certification is not required for shallow use, it is strongly recommended that all users receive proper instruction and certification from an accredited diving training agency. Improper use may lead to serious injury or death.

This product is designed for use in waters with temperatures above 10°C (50°F). Do not use in colder conditions.

Yes. Due to high-pressure regulations, cylinders must be empty and detached from the respirator when traveling by air. Always check with your airline’s policy beforehand.

Only fill this tank with compressed air that meets human respiratory standards (EN12021). Do not use oxygen or other gases, as they may damage the internal system and pose safety risks.

Before each dive, inspect the tank for any signs of damage or leaks and confirm it is fully pressurized. Do not use the product if it appears damaged or malfunctioning.

Never dive alone. Always dive with a partner to ensure safe operation.

Users over the age of 60 must obtain medical clearance from a doctor prior to use. This product is not suitable for pregnant individuals or those with medical conditions that make diving unsafe.

Have the product serviced annually by a professional. The gas cylinder requires a hydrostatic test every 5 years and should undergo visual inspection at least once a year.

The use time is determined by the breathing pattern of the individual and the model of the cylinder.

For example:
1、S300 Series：About 6-10 minutes；

2、S400 / S400Plus Series：About 12-16 minutes；

mini scuba tank is the gas cylinder that you can fill yourself that allows you to breathe up to 30 minutes!

Regular maintenance is key to preserving the performance and durability of your Mini Scuba Tank. We advise following the maintenance schedule outlined in the user manual to ensure optimal condition. Additionally, it is recommended to have the tank inspected and serviced by a qualified professional every two years. By prioritizing maintenance, you can enjoy the lasting performance and reliability of your Mini Scuba Tank.

Absolutely! The Mini Scuba Tank is designed to meet rigorous safety standards for diving pressure equipment. It has successfully passed multiple tests and obtained certifications such as CE and DOT. These certifications ensure that the Mini Scuba Tank meets the necessary safety requirements and is of high quality.However, it’s important to follow the safety guidelines and user manual provided by to ensure proper and safe usage of the product.

Before using this product, It is strongly recommended that you be trained or certified by a recognized certification body in scuba diving technology. 

– Never block your breathing whether it is going up or going down
– Never descend if you feel a sensation of discomfort in the ears, nose or eyes
– Never rise quickly (never faster than small air bubbles)
– Check your pressure gauge very regularly
– Never use the bottle on the surface when the needle of its pressure gauge is in the red zone.
It is also very important to explain these basic rules to anyone using the product.

This product is suitable for recreational diving gas source within 10 meters. Do not try to use it as a gas source in deeper waters.

Inflate the product before use and check the product for damage or leakage. Never use products that are damaged, leaking, or showing signs of performance failure.The maximum canning pressure of this product is 3000PSI, and it can’t be used for gases containing more than 40% oxygen. Please use clean and dry compressed air.