eFoilFly NEPTUN X Electric Hydrofoil Board Review


Today we are meeting Paul and Alvaro from eFoilFly to check out their new efoil called eFoilFly NEPTUN X Electric hydrofoil board 

Designed by a team of airplane engineers, it gives the sensation of smooth gliding above water anytime and anywhere. 


RUNTIME 60 min 




Well-designed full carbon surfboard prepared exclusively for efoiling, NeptunX is definitely one of the most beautiful e-foil surfboards on the market. The aqua green bottom is decorated with white stripes and making it look tense and energetic, while the green/red LED power indicator gives it a cyber-punk hi-tech feel. 

Length: 168cm / 66,14 inch 

Width: 62cm/24,80 inch 

Height: 12cm / 4,72 inch 

Weight: 16,45kg / 36,26 lbs 

Material: EPS foam, high-quality carbon fiber, resin. 


Type: Lithium-ion 

Nominal capacity: 48 Ah 

Nominal voltage: 48V

Charging time =: less 2h 

Weight: 12,5kg 

Depending on the user’s weight, the wave condition and the speed to cruise, the life per charge of the NeptunX battery is up to 70 mins. It comes with a standard fast charge function, making the recharge of the battery as short as 2 hours. Over 200pcs of 18650 cells similar to the first generation of Tesla Model 3 guarantee the monstrous performance of the battery pack: 48V, 48A and 2.3KWh put this battery number 1 in the whole market in terms of capacity. With the compact design, the battery is only 12.5kg. With the help of the patented BMS, it’s also one of the safest batteries in the industry.


Rated motor power: 3 kW / 12 kW 

Rated voltage: 48 V 

Rated current: 150 A 

Motor Speed (RPM): 6500 rpm 


Mast size: 80 cm / 31,50 inch 

Weight: 6,3 kg / 13,88 lbs 

Material: High-quality carbon. 

The 80cm mast is almost indestructible–made with over 40 layers of carbon fiber from Japan, it’s a combination of flexibility and toughness. An adult weighing 100kg standing, jumping on it while laying down can’t even make it deform, it can bounce back with ease. This results in the outstanding performance of the NeptunX when slicing through the water and makes it super easy to lift up in almost any condition. The strong mast also offers a stable environment for the motor attached to it, thus the motor will stay in accord with the mast rather than shaking under turbulence. 


One-piece wing: Stability, weight and smoothness are the keys to saving electric power in a foiling session, we’re proud to say that our one-piece wing is up to the job! Also made with 40+ layers of high-quality carbon fiberglass, our wing reaches a limit of 1.4kg in weight. The integrated fuselage and front and rear wings offer max stability. The pointy nose of the wing allows easy breakthrough among currents and the bat-shape rear area diffuses the bubbles, reducing 80% of the traction created by the subsequent turbulence. 

Remote controller The wireless remote shows temperature, speed, life of the battery for both the remote itself and for the battery on the board. The touch button is easy to use and very sensitive. The paring button grants you to more advanced settings such as speed limit, pairing and connecting the remote with the motor. Most importantly it’s waterproof. 

More info https://www.efoilfly.com/ @efoilfly




00:00 eFoilFly NEPTUN X Electric hydrofoil board review 

00:49 Let’s cover the specs of the FoilFly NEPTUN X 

03:36 Safety features and security magnet 07:00 Remote control features 

09:00 Light indicators 

11:00 eFoilFly Battery features 

15:40 New models and new wings? 

19:30 Production and team 

25:20 Water tests of eFoilFly NEPTUN X

 26:30 First impressions 


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