1. Important Safety Information
Please read and understand all safety information before using this product. Failure to follow these instructions may result in electric shock, fire, or serious injury.
- Do not immerse the unit in water or expose it to rain.
- Do not operate the unit if it has been damaged or modified.
- Do not attempt to jump start a frozen battery.
- Do not connect the positive and negative clamps together.
- Do not allow children to operate this device.
- Use the product in a well-ventilated area.
- Store the unit in a cool, dry place away from direct sunlight and extreme temperatures.
- Always wear eye protection when working with batteries.
2. Package Contents
Verify that all items are present in your package:
- 1 x HAONINYUE CY35 Jump Starter
- 1 x Heavy-Duty Smart Clamp Set (Jumper Cables)
- 1 x USB-C Charging Cable
- 1 x Portable EVA Carrying Case
- 1 x User Manual

Image: All components included in the HAONINYUE CY35 Jump Starter package, neatly arranged.
3. Product Overview
The HAONINYUE CY35 is a portable jump starter designed to revive 12V vehicle batteries. It also functions as a power bank and an LED flashlight.

Image: The HAONINYUE CY35 Portable Jump Starter, showcasing its compact design and LED display.
Product Dimensions

Image: A diagram illustrating the dimensions of the HAONINYUE CY35 Jump Starter: 7.75" (197mm) length, 3.62" (92mm) width, and 1.61" (41mm) height.
Components
- Power Button: To turn the unit on/off and cycle flashlight modes.
- LED Display: Shows battery percentage, input/output status, and error codes.
- Jump Start Port: For connecting the smart clamp set.
- USB-C Input/Output Port: For charging the unit or charging other devices.
- USB-A Output Ports: For charging electronic devices.
- LED Flashlight: Provides illumination with multiple modes.
Product Overview Video
Video: A detailed overview of the HAONINYUE CY35 Jump Starter, highlighting its features, internal components, and various functions.
4. Charging the Jump Starter
Before first use, fully charge the jump starter. It is recommended to recharge the unit every 3-6 months to maintain battery health.
- Connect the supplied USB-C charging cable to the USB-C port on the jump starter.
- Connect the other end of the USB-C cable to a USB wall adapter (not included) or a powered USB port.
- The LED display will show the charging status and battery percentage. The unit is fully charged when the display shows 100%.
5. Operating Instructions: Jump Starting a Vehicle
Ensure the jump starter is at least 50% charged before attempting to jump start a vehicle.
- Connect the Smart Clamp Set: Insert the blue plug of the smart clamp set into the jump start port on the HAONINYUE CY35. Ensure a firm connection.
- Connect to Car Battery: Attach the red (+) clamp to the positive (+) terminal of the car battery and the black (-) clamp to the negative (-) terminal of the car battery. The smart clamps feature reverse polarity protection; if connected incorrectly, the unit will not activate.
- Start the Vehicle: Once the clamps are correctly connected, start your vehicle's engine.
- Remove Clamps: After the engine starts, immediately remove the smart clamp set from the car battery, then disconnect the clamps from the jump starter.

Image: A visual guide showing the four steps to jump start a car: connect battery clip, connect to car battery, power on car, and remove power shelf.

Image: The HAONINYUE CY35 Jump Starter connected to a car battery with smart clamps, ready to safely jump start a dead battery.
6. Using as a Portable Power Bank
The HAONINYUE CY35 can charge various electronic devices via its USB-A and USB-C output ports.
- Connect your device's charging cable to one of the USB-A output ports or the USB-C port on the jump starter.
- Connect the other end of the cable to your electronic device.
- The jump starter will automatically begin charging your device. The LED display will indicate output status.

Image: The HAONINYUE CY35 Jump Starter charging a smartphone via its USB output, demonstrating its function as a portable power bank.
7. Using the LED Flashlight
The built-in LED flashlight offers multiple modes for various situations.
- Press and hold the Power Button for 3 seconds to turn on the flashlight (Steady mode).
- Press the Power Button once to switch to Strobe mode.
- Press the Power Button again to switch to SOS mode.
- Press the Power Button again to turn off the flashlight.

Image: The HAONINYUE CY35 Jump Starter with its powerful 600-lumen LED flashlight illuminated, showcasing its high light, strobe, and SOS modes.
8. Maintenance and Storage
- Cleaning: Use a dry, soft cloth to clean the unit. Do not use harsh chemicals or abrasive materials.
- Storage: Store the jump starter in its portable EVA carrying case in a cool, dry place between -20°C to 60°C (-4°F to 140°F).
- Recharging: For optimal battery life, recharge the unit every 3-6 months, even if not used.
- Avoid Extreme Conditions: Do not expose the unit to direct sunlight for extended periods or store it in environments with high humidity.
9. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not turn on | Battery is fully discharged | Charge the jump starter fully. |
| Car does not start | Low charge on jump starter; incorrect clamp connection; severely dead car battery | Ensure jump starter is at least 50% charged. Recheck clamp connections (red to +, black to -). If car battery is severely damaged, it may not start. |
| LED display shows error code | Reverse polarity; short circuit; over-temperature | Disconnect clamps, check connections, allow unit to cool if hot. Refer to specific error codes in the full manual if available. |
| Device not charging from USB ports | Jump starter battery low; cable issue | Charge the jump starter. Try a different USB cable. |
10. Specifications
| Feature | Specification |
|---|---|
| Model | CY35 |
| Peak Current | 3500A |
| Battery Capacity | 14000mAh / 88.8Wh |
| Battery Cell Composition | Lithium Ion |
| Voltage | 12 Volts |
| Engine Compatibility | Up to 10.0L Gas / 8.0L Diesel |
| USB-C Input/Output | 5V/2A, 9V/2A (Input); 5V/2.4A, 9V/2A (Output) |
| USB-A Output | 5V/2.4A |
| Operating Temperature | -20°C to 60°C (-4°F to 140°F) |
| Dust/Water Resistance | IP65 |

Image: An exploded view of the HAONINYUE CY35 Jump Starter, highlighting its polymer battery and smart chip technology.
11. Warranty and Support
This HAONINYUE CY35 Jump Starter comes with a 1-year manufacturer's warranty from the date of purchase.
For warranty claims, technical support, or any questions regarding your product, please contact the seller or HAONINYUE customer service through the platform where you made your purchase. Please have your order number and product model (CY35) ready.