In the world of aquatic sports and exploration, versatility is a key factor for enthusiasts and professionals alike.
The ASIWO U1 Diver Propulsion Vehicle (DPV) brings innovation and practicality together, offering users a seamless solution for both underwater exploration and surface cruising.
By combining the functions of an underwater scooter and a stand-up paddleboard (SUP) motor, the U1 is engineered to cater to a wide variety of aquatic activities with exceptional performance.
This comprehensive guide delves into the features, performance, design, and user experience of the ASIWO U1, helping you decide whether this dual-function propulsion device is the right choice for your aquatic adventures.
ASIWO U1: The Perfect Fusion of Two Worlds
The ASIWO U1 is marketed as a 2-in-1 aquatic propulsion system that works both as an underwater scooter and a motor for SUPs and kayaks.
This innovative combination addresses the needs of avid divers, paddleboarders, and kayakers, offering a convenient and cost-effective solution to those who engage in multiple water activities.
With a 1100W motor, it delivers impressive thrust and speed for both underwater exploration and surface propulsion, making it a standout in its category.

Dual Functionality
The real strength of the ASIWO U1 lies in its ability to serve dual purposes.
For underwater explorers, it functions as a seascooter, allowing for speeds of up to 10 ft/s (3 m/s), which is ideal for diving and snorkeling adventures.
For paddleboarders and kayakers, the U1 acts as a motorized booster, enabling speeds of up to 11 ft/s (3.3 m/s), making paddling much less strenuous and more enjoyable.
Whether you're cruising along the surface or diving below, the U1 enhances the experience, offering effortless propulsion for a range of aquatic activities.

Compatibility and Modular Design
One of the key selling points of the ASIWO U1 is its compatibility with 99% of SUPs and many kayaks, thanks to its modular design and included fin adapters.
This means that users can motorize their existing equipment without needing to invest in a separate motorized SUP or kayak.
The U1's modular structure also offers opportunities for future upgrades, ensuring it remains adaptable to different needs and water sports.

Performance Breakdown: Power, Speed, and Depth
The ASIWO U1 is designed for robust performance, offering users three speed modes for varying levels of intensity.
The powerful 1100W motor is at the heart of this performance, providing the U1 with a maximum thrust of 17 kgf (37.47 lbf).
This allows the device to propel users through the water with ease, whether they're deep diving or cruising along the surface.
Speed and Thrust Modes
The U1 offers three adjustable speed modes, each tailored to specific activities:
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Slow Mode (G1): Provides 6 kgf (13.22 lbf) of thrust, ideal for leisurely underwater exploration or conserving battery life during longer trips.
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Medium Mode (G2): Delivers 12 kgf (26.45 lbf) of thrust, perfect for moderate adventures that balance speed with runtime.
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Fast Mode (G3): Maxes out at 17 kgf (37.47 lbf) of thrust for high-speed bursts, making it suitable for rapid travel over long distances.
This range of speeds allows the U1 to be both efficient and exciting, depending on the user's preference and the activity at hand.
Underwater and SUP Speeds
In seascooter mode, the U1 reaches speeds of up to 10 ft/s (3 m/s), offering a thrilling experience for underwater adventurers.
When used in SUP mode, the U1 can reach 11 ft/s (3.3 m/s), making paddling significantly easier, even in challenging water conditions.
Depth Rating
With a depth rating of 50 meters (164 feet), the U1 is suitable for most recreational dives and is robust enough for certain professional applications like underwater inspection and marine research.
While it does not rival the extreme depths of high-end models such as the Seabob F5 SR, the U1’s depth capability makes it an excellent choice for general diving and exploration.
Battery Life: Powering Your Adventures
Battery life is a crucial factor for any motorized aquatic device, and the ASIWO U1 is powered by a L-ON 18650 36V 5.0AH 180WH.
This battery offers different runtimes depending on the speed mode and activity:
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SUP/Kayak Mode: Up to 80 minutes of continuous use.
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Slow Mode (Underwater): 57-60 minutes.
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Medium Mode (Underwater): 27-30 minutes.
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Fast Mode (Underwater): 15-18 minutes.
Although the battery life in fast modes is relatively short, users can purchase optional batteries for extended sessions. For instance, the 96Wh mini battery is airline-approved, while the 1080Wh outboard battery offers up to 7 hours of low-speed use, providing solutions for longer excursions and travel.
User Experience: Ease of Use and Portability
The ASIWO U1 is designed for both novices and experienced water enthusiasts. Its controls are intuitive, whether used in handheld mode or SUP mode.
Handheld Mode (Underwater)
In this mode, users hold the hydrofoil with ergonomically designed handles, and the propulsion is controlled by two triggers. Speed adjustments are made by tapping the left or right trigger, making it easy to regulate speed and conserve energy during long dives.
SUP/Kayak Mode (Surface)
Once mounted on a SUP or kayak, the U1 is controlled via a wireless remote, allowing users to adjust speeds while keeping their hands free for paddling. The modular fin adapter system makes attachment quick and secure, ensuring minimal setup time.
Portability
At 13.2 lbs (6 kg), the U1 is relatively lightweight, making it easy to transport and store. The device is compact enough to fit into most backpacks, and with the inclusion of a smart carrying case, users can easily bring it along on adventures.
Safety Features and Buoyancy
The ASIWO U1 is equipped with several safety features, such as auto shutoff mechanisms to prevent runaway scenarios and a security locker for SUP mode to ensure the device stops if the user falls off the board.
Buoyancy Considerations

To achieve positive buoyancy and prevent the device from submerging when not in use, ASIWO offers an optional Buoyancy Kit.
This kit enhances surface visibility and control, making it especially useful for activities like snorkeling or when the device is idle in the water.
It's important to note that the U1's buoyancy can vary depending on the water conditions and any additional attachments.
Therefore, using the buoyancy kit is recommended to ensure the device remains afloat and easily retrievable.
Maintenance and Longevity
To ensure long-term durability, the ASIWO U1 requires regular maintenance.
This includes cleaning the device after each use, inspecting seals and O-rings, and ensuring that the motor and battery remain free from saltwater corrosion.
The modular design simplifies maintenance, and users can easily replace or upgrade parts as needed.
Battery care is also critical. Users are advised to avoid overcharging or fully discharging the battery to maximize its lifespan.
Market Position and Competitiveness
The ASIWO U1 competes in a market with several other aquatic propulsion devices.
When compared to alternatives like the Sublue WhiteShark MixPro and the Bixpy J-2, the U1 stands out with its higher motor power and greater depth rating, making it more versatile for both underwater exploration and SUP use.
The Seabob F5 SR may offer deeper depths and faster speeds, but the U1’s versatility at a more affordable price makes it an attractive option for general recreational use.
Conclusion
The ASIWO U1 Diver Propulsion Vehicle is a cutting-edge aquatic propulsion device that offers unmatched versatility for water sports enthusiasts.
Its dual functionality, combined with robust performance and modular design, makes it an excellent investment for those who enjoy both underwater exploration and surface water sports.
FAQs
Q: What is the battery life of the ASIWO U1?
The battery life varies by mode. In SUP/Kayak mode, it lasts up to 80 minutes, while in underwater mode, it lasts 57-60 minutes in slow mode, 27-30 minutes in medium mode, and 15-18 minutes in fast mode.
Q: How deep can the ASIWO U1 go underwater?
The ASIWO U1 has a depth rating of 50 meters (164 feet), making it suitable for most recreational dives and some professional applications.
Q: Is the ASIWO U1 compatible with all paddleboards?
Yes, the U1 is compatible with 99% of SUP boards and many kayaks, thanks to the included fin adapters.
Q: Does the ASIWO U1 float?
The U1 is typically negatively or neutrally buoyant, meaning it may sink if released. However, it includes a buoyancy kit to ensure it floats or maintains neutral buoyancy.
Q: What’s the warranty on the ASIWO U1?
The U1 comes with a 1-year limited warranty for the main unit and 6 months for the battery, motor, and mainboard.
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