2-in-1 Universal Underwater Scooter – for Diving, SUP & Kayak

Imagine effortlessly gliding through crystal-clear waters, exploring vibrant coral reefs, or giving your paddleboard an exhilarating boost across a serene lake. This isn't a futuristic fantasy; it's the reality offered by the ASIWO U1 Universal Underwater Scooter.This innovative 2-in-1 aquatic device is designed to transform your water adventures, offering unparalleled mobility and fun for both divers and paddleboard enthusiasts.

The ASIWO U1 isn't just another gadget; it's a versatile powerhouse engineered to enhance your time on and under the water. Its unique 2-in-1 functionality allows it to serve as a high-performance underwater scooter for snorkeling and diving, and seamlessly convert into a powerful booster for your stand-up paddleboard (SUP) or kayak. Let's dive into what makes the ASIWO U1 a game-changer in personal watercraft.

Unpacking the Power: Technical Specifications

At the heart of the ASIWO U1 lies a commitment to performance and durability. This robust device boasts impressive technical specifications that underscore its capability in various aquatic environments.

Equipped with a powerful 1100W motor, the U1 delivers a substantial 17kgf (37.47 lbf) of max thrust, propelling you through the water with remarkable efficiency. Whether you're exploring underwater or cruising on the surface, the U1 offers three distinct speed modes:

• Slow Mode: Perfect for leisurely exploration, offering speeds of up to 3.3ft/s (1m/s).
• Medium Mode: A balanced option for moderate speed and extended enjoyment, reaching up to 5ft/s (1.5m/s).
• Fast Mode: For thrill-seekers, this mode delivers a top speed of up to 10ft/s (3m/s or 10.8 km/h) underwater and an impressive 11ft/s (3.3m/s or 12 km/h) when used as a surface booster.

The U1 is built to explore depths, with a remarkable depth rating of 164ft (50m), making it suitable for recreational diving and serious underwater exploration.

Powering these capabilities is a high-capacity 36V 5.0Ah (180Wh) lithium battery, providing reliable and consistent performance. Battery life varies depending on the mode and speed:

• SUP/Kayak Mode: Up to 80 minutes of continuous operation.
• Underwater Mode: Approximately 15-18 minutes on Fast, 27-30 minutes on Medium, and 57-60 minutes on Slow.

Recharging the U1 is convenient, taking approximately 3-4 hours to reach full capacity. Despite its power, the ASIWO U1 remains relatively lightweight and portable, weighing just 13.2 lbs (6 kg) including the battery, and measuring 4.96 × 12.68 × 15.51 inches (126 x 323 x 394mm). It features negative buoyancy, but an included buoyancy kit allows for neutral or positive buoyancy as preferred.

Two Modes, Endless Adventures: Operational Versatility

The true genius of the ASIWO U1 lies in its versatile operational modes, seamlessly transitioning between an underwater explorer and a surface accelerator.

Underwater (Handheld) Mode

In its primary underwater configuration, the U1 functions as an intuitive and powerful underwater scooter. Users hold the streamlined hydrofoil, gripping the ergonomically designed handles. Speed control is effortless: simply hold both triggers to initiate propulsion, and release to stop. Adjusting your speed is as easy as tapping the left or right trigger to cycle through the three available modes. This direct control provides an immersive and exhilarating experience for snorkeling, freediving, or scuba diving. The U1 pulls you along, reducing fatigue and allowing you to cover more ground and conserve energy for longer explorations.

SUP/Kayak (Booster) Mode

This is where the ASIWO U1 truly lives up to its "Universal" moniker. The scooter effortlessly transforms into a powerful booster for almost any stand-up paddleboard or kayak. It achieves this remarkable compatibility through three included fin adapters:

• Slide & Lock Fin Adapter
• US Fin Adapter
• Flip & Lock Fin Adapter

These adapters allow the U1 to mount securely to the fin box of your board or kayak. Once mounted, the U1 is controlled wirelessly via a remote control and wristband, or even integrated with a smartwatch. A receiver unit mounts on the tail of your board, wirelessly communicating with the remote to provide effortless propulsion. For added safety, an auto safety shutoff feature is included, which works in conjunction with a security locker attached to your leg, ensuring the U1 stops if you fall off your board. This feature is invaluable for peace of mind, especially when enjoying your time on the water.

Beyond the standard setup, DIY possibilities exist for more customized kayak use, with optional accessories like high-capacity outboard batteries and e-motor kits that can significantly extend range and power for dedicated kayak touring.

What's Included and How to Keep it Running

The ASIWO U1 comes as a complete package, ready for adventure right out of the box. Essential accessories include a buoyancy kit, all three fin adapters for SUP/kayak compatibility, a paddleboard tail fin, propeller cover, water deflector, the wireless receiver, remote control and wristband, wireless charging pad, charging adapter, anti-loss leash, spoke wrench, user manual, and a convenient carrying case.

For those looking to extend their adventures, optional accessories are available, such as a 96Wh Mini battery (airline-approved for travel) and a 1080Wh Outboard battery for significantly longer runtimes in mounted modes.

Maintaining your ASIWO U1 is crucial for its longevity and performance. Basic maintenance includes rinsing and thoroughly drying the unit after each use, especially after saltwater exposure. Monthly inspections and greasing of O-rings are recommended to ensure a watertight seal. Proper battery care, such as storing it at approximately 50% charge and avoiding overcharging or deep discharge, will extend its lifespan. Regularly check the propeller and motor for any debris or damage, and always store the unit in a cool, dry place, ideally within its protective case.

User Experiences and Standing Out from the Crowd

While the majority of user feedback, particularly from the official ASIWO website, highlights the U1's power, ease of use, and overall fun factor, it's worth noting that independent, in-depth user reviews from external platforms are less prevalent. Customers generally praise its ability to effortlessly pull them through the water and the seamless transition to SUP/kayak boosting.

Compared to other popular underwater scooters on the market, the ASIWO U1 carves out a unique niche with its 2-in-1 universal design. While competitors like the Yamaha RDS250 or Sublue WhiteShark MixPro excel as dedicated underwater scooters, they typically lack the integrated surface propulsion capabilities for SUPs and kayaks that the U1 offers. High-end personal watercraft like the Seabob F5 SR offer extreme performance but come at a significantly higher price point and are not designed for direct SUP/kayak attachment in the same way. The U1's ability to serve multiple purposes without needing separate devices makes it a compelling option for those seeking versatility.

Peace of Mind: Warranty and Support

ASIWO provides a 1-year warranty for the main unit of the U1 and a 6-month warranty for accessories, offering a degree of assurance for your purchase. also offer a 14-day return policy. Customer support is accessible via email (customer@asiwo.com, sales@asiwo.com) and a dedicated US phone number (949-617-6785), ensuring global reach for assistance.

FAQs

What is the main difference between the ASIWO U1 and other underwater scooters?

The primary distinction of the ASIWO U1 is its 2-in-1 universal design. Unlike most underwater scooters that are solely for diving, the U1 also functions as a powerful booster for SUPs and kayaks, thanks to its included fin adapters and wireless remote control.

How deep can the ASIWO U1 go?

The ASIWO U1 has a maximum depth rating of 164 feet (50 meters), making it suitable for recreational diving as well as snorkeling.

How long does the battery last on a single charge?

Battery life varies by mode and speed. In SUP/Kayak mode, you can get up to 80 minutes. Underwater, it lasts about 15-18 minutes on Fast, 27-30 minutes on Medium, and 57-60 minutes on Slow speed settings.

Is the battery airline-friendly?

The standard 180Wh battery included with the ASIWO U1 is generally not airline-approved for carry-on or checked luggage due to its size. However, ASIWO offers an optional 96Wh Mini battery specifically designed to be airline-approved for travel.

Can I attach the ASIWO U1 to any paddleboard or kayak?

The ASIWO U1 is designed to be compatible with approximately 99% of SUPs and many kayaks, thanks to its three included universal fin adapters (Slide & Lock, US Fin Adapter, and Flip & Lock).

What maintenance does the ASIWO U1 require?

Key maintenance includes rinsing and drying the unit after each use, especially after saltwater exposure, inspecting and greasing O-rings monthly, proper battery care (storing at 50% charge, avoiding overcharge/discharge), checking propellers for debris, and storing in a cool, dry place.

Conclusion

The ASIWO U1 Universal Underwater Scooter truly stands out as an innovative and versatile piece of aquatic technology. Its seamless transition from a powerful underwater propulsion device to an effective SUP and kayak booster makes it a unique offering in the personal watercraft market. With its robust specifications, user-friendly operation, and thoughtful design for both exploration and surface adventure, the U1 promises to enhance your water experiences, making them more accessible, exciting, and less strenuous. Whether you're a keen diver looking to cover more ground or a paddleboarder seeking an extra surge of speed, the ASIWO U1 offers a compelling solution to unlock new levels of aquatic enjoyment. It's more than just a scooter; it's your personal gateway to a broader, more dynamic water world.