Helangel HJ820 2.4GHz Self-Righting RC Racing Boat
Helangel’s HJ820 is a 30 cm ABS radio-controlled racing boat with self-righting recovery, LED lights and a 2.4 GHz controller. Two rechargeable batteries are included for successive runs on fresh water.

Original price was: £39.99.£37.99Current price is: £37.99.
Description
Model Overview
The Helangel HJ820 is a compact, ready-built radio-controlled racing boat with self-righting recovery and a quoted top speed of up to 25 km/h. It is designed for fresh water.
Control & Operation
The boat uses a 2.4 GHz radio system with a control range of around 120 metres and strong anti-interference capability, so multiple operators can race together. The transmitter offers stepless speed adjustment with a throttle trigger for forward and reverse, and a steering wheel for left and right control. An out-of-water sensing device helps the unit pair automatically when placed in water and shuts the system off when removed.
Performance Features
Designed with practical cooling and protection in mind, the hull includes a water circulation cooling device to help reduce motor wear and prolong running life. The hull features a waterproof cover and multiple twist-lock fastenings for secure sealing. A capsize recovery mode returns the boat upright if flipped. Note that the boat is not intended for saltwater use.
Runtime & Charging
Two rechargeable 7.4 V, 700 mAh Li-ion batteries are supplied, providing over 30 minutes of combined run time. The transmitter includes a low battery alarm to warn when power is running low, helping avoid lost craft during sessions.
Specifications & Features
- Product type: RC boat
- Speed: up to 25 km/h
- Radio: 2.4 GHz, range approximately 120 m
- Batteries: 2 x 7.4 V 700 mAh Li-ion, 30+ minutes runtime
- Safety features: self-righting capsize recovery, out-of-water sensing
- Cooling: water circulation cooling device
- Lights and modes: LED lights, 8-shaped path mode
- Size: 30 cm x 7.6 cm x 7 cm
- Colour: Red
- Hull material: ABS plastic
- Operating environment: pools, ponds, rivers and lakes – not for saltwater
Display & Collection
At 30 cm in length, this boat works well as a running model in an RC collection where operation is the priority. Its bright LED lighting and race-ready profile make it enjoyable both for active use and display between sessions.
Frequently Asked Questions
What is included with the boat?
The boat comes with a 2.4 GHz controller, two rechargeable batteries and a USB charging cable. Charge and fit a battery before launching.
How big is the boat?
Dimensions: 30cm x 7.6cm x 7cm, a compact racing-boat size suitable for pools and lakes.
How fast does it go and how far can I control it?
Top speed reaches 25 km/h and the control range is approximately 120 m using 2.4GHz radio control.
What power system does the boat use?
The boat runs on one 7.4 V, 700 mAh rechargeable battery at a time. Two packs are included.
Is this boat suitable for beginners?
Self-righting recovery and adjustable throttle help when learning the controls. Start at low throttle in clear, calm fresh water.
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Specification: Helangel HJ820 2.4GHz Self-Righting RC Racing Boat
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