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Since starting this blog in 2016, we’ve reviewed over 100 paddleboard accessory products, and the JayKay SUP E-Fin is certainly one that caught our attention.

This innovative electric fin adds a new dimension to stand-up paddling, offering additional support without compromising on performance.

Intrigued? Let’s dive into our JayKay SUP E-Fin review.

Powerful Waterproof Electric SUP Fin

JayKay SUP E-Fin

📊 Data & Facts

Brand JayKay
Size E-Fin: 25.2 x 26.5 x 11 cm,
Remote Control: 11.8 x 3 x 4 cm
Weight E-Fin: 1.9 kg,
Remote Control: 50 g
Type of Paddle Stand Up Paddle Board
Compatibility Various SUP boards and watercraft with removable fin and appropriate fin systems
Intended Use Stand Up Paddling, Leisure, and Sports
Waterproof IP 68 dust and water-resistant
Features 2 LED light strips; Automatic On/Off; Wireless remote control; Integrated battery
Accessories Remote Control

👍👎 Pro & Con


  • All-in-one design with integrated battery
  • Lightweight and compact
  • Compatible with many SUP boards and watercraft
  • Two driving modes: automatic and manual
  • Water and dust resistant (IP 68)
  • LED light strips for battery indication


  • Higher price compared to other models
  • Automatic mode requires practice and adjustment
  • Occasional remote control signal loss during testing

Powerful Waterproof Electric SUP Fin

JayKay SUP E-Fin

⭐ Features

  • Compact and lightweight: The JayKay SUP E-Fin measures 25.2 x 26.5 x 11 cm and weighs 1.9 kg, while the remote control measures 11.8 x 3 x 4 cm and weighs just 50 g, making it easy to handle and transport.
  • All-in-one design: Unlike other electric fins that require a separate battery and cable connection, the JayKay E-Fin combines all components into one single unit for a more streamlined and hassle-free experience.
  • Dust and waterproof: With a rating of IP68, the JayKay E-Fin is completely dust-proof and waterproof, ensuring reliable performance in various water conditions.
  • Wireless remote control: Adjust the speed and mode of the E-Fin with the included remote control, which conveniently attaches to the paddle shaft for easy access during paddling.
  • Automatic and manual modes: The JayKay E-Fin offers two operating modes – Automatic mode, which assists the paddle stroke, and Manual mode, which provides constant propulsion regardless of your paddling activity.
  • LED light strips: Two LED light strips display the battery level of both the E-Fin and the remote control, allowing you to keep track of remaining power during your paddling adventure.
  • Quick charging: The included charger recharges the E-Fin in approximately 3 hours, while the remote control takes about 2.5 hours via USB cable.
  • Adjustable speed: The E-Fin offers a variable speed control, allowing you to adjust the level of propulsion according to your preference and paddling conditions.
  • Long run time: With a maximum run time of 4 hours, the JayKay E-Fin is a reliable companion for extended paddling sessions or long-distance adventures.
  • Compatibility with multiple fin systems: The JayKay E-Fin is compatible with most SUP boards and watercraft, thanks to its two included adapters for both US-Box and Slide-In fin systems.

Powerful Waterproof Electric SUP Fin

JayKay SUP E-Fin

🔍 How to Use the JayKay SUP E-Fin

  1. Select the Adapter and Attach the E-Fin: Choose the appropriate adapter for your SUP board’s fin system (Stecksystem or US-Box-System) and connect the E-Fin using the provided screws and Allen key.
  2. Attach the E-Fin to Your Board: Secure the E-Fin to your SUP board in the same manner as your regular fin, either with a clip for Stecksystem or a screw for the US-Box-System.
  3. Position the Remote Control: Use the click-strap on the back of the remote control to attach it to your paddle shaft at a comfortable height.
  4. Adjust the Mode and Power Settings: Turn the dial on the remote control to your desired mode (AUTO for paddle assist or MAN for constant power), and use the slider to control the power output.

🎯 Intended Use

The JayKay SUP E-Fin is designed to provide an extra boost to paddleboarders on long and challenging routes, enabling users to reach higher speeds with less effort. This makes it a perfect addition for paddlers who participate in touring or fitness-based SUP sessions.

Its integrated battery and lightweight design mean it is more convenient and efficient than other e-motors with external batteries. However, its versatility caters not just to experienced paddlers, but also to beginners who are still learning balance and control.

The E-Fin’s adjustable power settings allow for a tailored experience for paddlers of all skill levels. Whether you’re tackling strong currents or simply want a leisurely ride, the JayKay E-Fin is a great choice.

In addition to SUP boards, the JayKay E-Fin can be used with various watercraft that have a compatible fin box. With the option of a self-adhesive fin dock, the E-Fin can even be retrofitted to watercraft without a fin box, expanding its potential uses and making it a versatile investment for water enthusiasts.

With its convenient design, multiple color options, and water-resistant capabilities (IP 68 rating), the JayKay SUP E-Fin is fit for countless adventures on the water.

Powerful Waterproof Electric SUP Fin

JayKay SUP E-Fin

🛠 Material & Quality

The JayKay SUP E-Fin is made of high-quality materials that ensure durability and reliability during use. The E-Fin housing is both dust and waterproof (IP 68), making it resilient against the elements.

Compared to other electric SUP fin models, this all-in-one design with an integrated battery offers a lighter and more compact solution without sacrificing performance or longevity.

The accompanying remote control is crafted with precision and attention to detail, allowing for seamless operation during your paddling adventures. The waterproof and compact design ensures the durability of the remote, making it ideal for aquatic activities.

With materials that promote the product’s usability and reliability, the JayKay SUP E-Fin stands out as a high-quality choice for your electric paddleboarding needs.


What makes the JayKay SUP E-Fin unique?

The JayKay SUP E-Fin features an all-in-one design with an integrated battery, two driving modes, compatibility with multiple fin systems, and an IP 68 water and dust resistance rating.

How do I control the JayKay SUP E-Fin during use?

Utilize the included wireless remote control, which attaches to the paddle shaft, to adjust the speed and mode (Automatic or Manual) of the E-Fin during use.

What types of paddlers can benefit from the JayKay SUP E-Fin?

The JayKay SUP E-Fin is suitable for both experienced paddlers on long tours or fitness-based sessions and beginners learning balance and control, thanks to its adjustable power settings and versatile compatibility.


The JayKay SUP E-Fin delivers a hassle-free, all-in-one electric fin solution, catering to paddlers of all skill levels and compatible with various watercraft.

Featuring a dust and waterproof design, adjustable speed, and remote control, it enhances the overall paddling experience for both leisure and sports users.

Despite its higher price point and some reported remote control signal issues, the JayKay E-Fin remains a reliable, lightweight, and versatile accessory for those seeking extra support and versatility while out on the water.

Powerful Waterproof Electric SUP Fin

JayKay SUP E-Fin

Water is Benjamin's element. In 2019, he made his first attempts on a SUP board and since then he's constantly learning. For him, stand-up paddling is a great way to combine a workout and feel relaxed at the same time. The perfect balance to everyday life!

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