CAPTAER HJ825A

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CAPTAER HJ825A Remote Control Boat User Manual

Model: HJ825A

Introduction

Thank you for purchasing the CAPTAER HJ825A Remote Control Boat. This manual provides essential information for the safe operation, maintenance, and troubleshooting of your new RC boat. Please read this manual thoroughly before use and retain it for future reference.

Safety Warning: This product contains small parts and poses a choking hazard. Not suitable for children under 8 years of age without adult supervision.

Package Contents

Ensure all items listed below are present in your package:

  • RC Boat (Model HJ825A)
  • Remote Controller
  • Rechargeable Lithium-Ion Battery (for boat)
  • USB Charging Cable
  • User Manual (this document)
Image showing the CAPTAER RC boat, remote controller, and charging cable.

This image displays the main components included in the package: the RC boat, its remote controller, and the USB charging cable.

Setup Guide

1. Charging the Boat Battery

  1. Connect the rechargeable Lithium-Ion battery to the USB charging cable.
  2. Plug the USB charging cable into a standard USB power adapter (not included) or a computer USB port.
  3. The charging indicator light on the USB cable will illuminate (e.g., red) during charging and turn off or change color (e.g., green) when fully charged.
  4. Charging typically takes approximately 60-90 minutes. Do not overcharge the battery.
  5. Once charged, disconnect the battery from the charging cable.
Image showing the RC boat battery being connected to the USB charging cable.

Illustration of connecting the boat's battery to the USB charging cable for recharging.

2. Installing the Boat Battery

  1. Locate the battery compartment on the RC boat. This is usually secured with a latch or screw.
  2. Open the battery compartment cover.
  3. Carefully connect the charged Lithium-Ion battery to the boat's power connector, ensuring correct polarity.
  4. Place the battery inside the compartment and close the cover securely to prevent water ingress.

3. Installing Remote Controller Batteries

The remote controller requires 2x AA batteries (not included).

  1. Open the battery compartment on the back of the remote controller.
  2. Insert 2x AA batteries, observing the correct polarity (+/-).
  3. Close the battery compartment cover securely.

Operating Instructions

1. Pairing the Boat and Remote

  1. Ensure the boat's battery is installed and the boat is placed in water. The boat's propellers will only activate when in water for safety.
  2. Turn on the remote controller. The indicator light on the remote will flash.
  3. The remote and boat will automatically pair. Once paired, the remote's indicator light will become solid.

2. Basic Controls

  • Forward/Backward: Push the left joystick forward or backward.
  • Turn Left/Right: Push the right joystick left or right.
  • Speed Adjustment: Use the speed button (if available) to cycle through different speed modes.
  • LED Lights: The boat features blue LED lights. These typically activate automatically when the boat is powered on and in water.
Image showing the CAPTAER RC boat in water with blue LED lights illuminated.

The RC boat operating in water, showcasing its blue LED lights.

3. Safety Precautions During Operation

  • Operate the boat only in calm, clear water, free from debris or strong currents.
  • Maintain a safe distance from swimmers, animals, and other watercraft.
  • Do not operate in saltwater, as it can damage internal components.
  • Always supervise children during operation.
  • If the boat gets stuck or capsizes, retrieve it carefully. Do not attempt to swim after it in unsafe conditions.
  • When the battery is low, the boat's speed may decrease, or the lights may dim. Return the boat to shore immediately for recharging.

Maintenance

  • After Each Use:
    • Remove the boat battery and allow it to cool before recharging.
    • Drain any water from the boat's interior.
    • Wipe the boat and remote controller with a soft, dry cloth.
    • Inspect the propellers for any debris (e.g., weeds, string) and carefully remove it.
  • Storage:
    • Store the boat and remote in a cool, dry place, away from direct sunlight and extreme temperatures.
    • Remove batteries from both the boat and the remote if storing for extended periods to prevent leakage.

Troubleshooting

ProblemPossible CauseSolution
Boat does not move.
  • Boat not in water.
  • Boat battery not charged or incorrectly installed.
  • Remote controller batteries low or incorrectly installed.
  • Not paired with remote.
  • Place boat in water (propellers activate only in water).
  • Charge and correctly install boat battery.
  • Replace/install remote controller batteries correctly.
  • Follow pairing instructions.
Short operating time.
  • Boat battery not fully charged.
  • Battery nearing end of life.
  • Ensure battery is fully charged before use.
  • Consider replacing the battery.
Boat loses control or range.
  • Remote controller batteries low.
  • Operating beyond effective range.
  • Interference from other RC devices.
  • Replace remote controller batteries.
  • Operate closer to the boat.
  • Move to an area with less interference.

Specifications

  • Model: HJ825A
  • Brand: CAPTAER
  • Dimensions: 10.3 x 3.2 x 2.7 inches (approx. L x W x H)
  • Material: Acrylonitrile Butadiene Styrene (ABS)
  • Boat Battery: Rechargeable Lithium-Ion (included)
  • Remote Controller Battery: 2x AA (not included)
  • Charging Time: Approximately 60-90 minutes
  • Recommended Age: 8 years and up
  • Features: High Speed, Blue LED Lights, Water Sensor Safety

Warranty and Support

For any questions, technical support, or warranty inquiries regarding your CAPTAER HJ825A Remote Control Boat, please contact the retailer or manufacturer directly. Please have your purchase receipt and model number (HJ825A) available when contacting support.

Note: Warranty terms may vary by region and retailer. Please refer to your purchase documentation for specific warranty details.

© 2026 CAPTAER. All rights reserved.

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