1. Introduction
Thank you for choosing the Soulor CYD24 Jump Starter with Air Compressor. This multifunctional device is designed to provide reliable vehicle jump-starting, tire inflation, emergency lighting, and portable power for your electronic devices. Please read this manual thoroughly before use to ensure safe and optimal performance.

Image: Soulor CYD24 Jump Starter with Air Compressor highlighting its 6000A peak current, 160 PSI air pump, and compatibility with up to 10L gas/diesel engines.
2. Package Contents
Verify that all items are present in your package:
- 1 × Soulor CYD24 Portable Jumper Starter
- 1 × Heavy-duty Jumper Cable
- 1 × Air Compressor Hose
- 4 × Multi-function Nozzles
- 1 × USB-C Charging Cable
- 1 × User Manual
- 1 × Waterproof Storage Bag

Image: All components included in the Soulor CYD24 package, neatly arranged, showing the main unit, jumper cables, air hose, various nozzles, USB-C charging cable, user manual, and a waterproof storage bag.
3. Safety Information
WARNING: Read and understand all safety information before using this product. Failure to follow these instructions may result in electric shock, fire, or serious injury.
- Always wear eye protection and gloves when jump-starting a vehicle.
- Do not allow the red and black clamps to touch each other once connected to the jump starter.
- Do not jump start a frozen battery.
- Ensure the vehicle is in park/neutral with the parking brake engaged before jump-starting.
- Keep out of reach of children.
- Do not expose the product to rain or extreme temperatures.
- The air hose and nozzle may become hot during prolonged inflation. Handle with care.
- Always ensure the unit is fully charged before jump-starting a vehicle.

Image: Visual representation of the 14 built-in safety protections of the Soulor CYD24, such as reverse connection, over-temperature, short circuit, and over-charge protection, ensuring safe operation.
4. Product Features
- Powerful Jump Starter: 6000A peak current for 12V vehicles (up to 10.0L diesel engines). Operates in temperatures from -4°F to 140°F. Features a force start function for severely depleted batteries.
- 160 PSI Cordless Tire Inflator: 5 inflation modes, 4 selectable units (PSI, BAR, KPA, Kg/cm²), and 3 nozzles for cars, motorcycles, bicycles, and balls. Auto memory function for one-touch repeated inflation.
- 4.7-inch Smart LCD Display: Shows real-time data, battery level, inflation mode, pressure value, and potential errors with ±1 PSI accuracy.
- Emergency 600 Lumen Lights: 3 modes (flashlight, strobe, SOS) for various emergency situations.
- Portable Power Bank: PD45W fast charger with USB-C and USB-A output ports to charge phones and other electronic devices.
- Comprehensive Protection: 14 safety protections including reverse connection, over-temperature, short circuit, over-discharge, low voltage, and over-charge.

Image: The Soulor CYD24 unit showcasing its large LCD display, a warning triangle symbol, and indicating the force start function for dead batteries.
5. Setup
5.1 Initial Charging
Before first use, fully charge the Soulor CYD24 unit using the provided USB-C charging cable. Connect the USB-C end to the 'IN' port on the device and the other end to a suitable USB power adapter (not included). The LCD display will show the charging progress.
5.2 Understanding the Display and Controls

Image: A detailed diagram of the Soulor CYD24 unit, labeling its various components including the LCD display, power level indicator, LED light button, air pressure adjustment buttons, mode and unit adjustment button, power button, EC5 jump start port, hose socket, LED light, USB output, and USB-C input.
- Display (1): Shows operational status, battery level, pressure, and modes.
- Power Level (2): Battery charge indicator.
- LED Light Button (3): Activates/changes LED light modes.
- Air Pressure Adjustment (+/-) (4, 5): Adjusts target pressure for inflation.
- Mode & Unit Adjust Button (6): Cycles through inflation modes (car, motorcycle, bike, ball, free) and pressure units.
- Power Button (7): Turns the device on/off.
- EC5 Jump Start Port (8): Connects the heavy-duty jumper cable.
- Hose Socket (9): Connects the air compressor hose.
- LED Light (10): Emergency light source.
- USB Output (11): USB-A port for charging external devices.
- USB-C Input (12): USB-C port for charging the unit.
6. Operating Instructions
6.1 Jump Starting a Vehicle
Ensure the jump starter is at least 50% charged. Turn off the vehicle's ignition and all accessories.
- Insert the jumper cable into the EC5 jump start port on the unit. The red and green lights on the cable's smart clamp will flash alternately.
- Connect the red (+) clamp to the vehicle's positive battery terminal and the black (-) clamp to the vehicle's negative battery terminal. The indicator on the smart clamp will turn solid green.
- Start your car. Once the car starts, immediately remove the clamps from the battery, then disconnect the jumper cable from the jump starter.
Force Start Function (for severely depleted batteries):
- After connecting the clamps to the battery, if the indicator light does not turn solid green, press and hold the "Force Start" button on the smart clamp for 3 seconds.
- Wait for the indicator light to turn solid green.
- Start your car.

Image: A three-step visual guide demonstrating how to jump start a vehicle: 1. Insert the jumper cable into the jump starter. 2. Connect the clamps to the car battery. 3. Start the car engine.

Image: A three-step visual guide for using the Force Start function: 1. Press the force start button for 3 seconds. 2. Wait for the indicator of the jumper cable to turn green. 3. Start your car engine.
6.2 Using the Tire Inflator
Ensure the unit is adequately charged. Attach the air compressor hose to the hose socket on the unit.
- Connect the air hose to the tire valve and tighten it. Press the power button to turn on the device.
- Press the Mode & Unit Adjust button to choose the desired inflation mode (car, motorcycle, bike, ball, free) and unit (PSI, BAR, KPA, Kg/cm²). Use the +/- buttons to set the target pressure.
- Hold down the power button to start the pump. The pump will automatically shut off when it reaches the preset pressure. You can also short press the power button again to stop it manually.

Image: A three-step visual guide for easy tire inflation: 1. Connect the air hose and tighten it, then press to turn on the device. 2. Press the mode button to choose the mode, then long press to choose the unit, and press +/- to set the pressure. 3. Hold down the power button to start the pump; it auto-shuts off at preset pressure, or short press to stop.
6.3 Using the LED Lights
Press the LED Light Button (3) to cycle through the following modes:
- Flashlight: For general illumination.
- Strobe: For signaling or attracting attention.
- SOS: For emergency signaling.
6.4 Using as a Power Bank
Connect your electronic device's charging cable to the USB Output (11) or USB-C Input (12) port on the Soulor CYD24 unit. The unit will automatically begin charging your device.
7. Maintenance
- Recharge the unit every 3 months to maintain battery health, even if not in use.
- Store the unit in a cool, dry place away from direct sunlight and extreme temperatures.
- Clean the exterior with a soft, damp cloth. Do not use harsh chemicals or abrasives.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not turn on | Low battery | Charge the unit fully. |
| Jumper cable indicator not solid green | Poor connection or severely depleted battery | Ensure clamps are securely connected. Use Force Start function if battery is very low. |
| Tire inflator not working | Hose not properly connected or low battery | Ensure hose is tightly screwed in. Charge the unit. |
| Inaccurate pressure reading | Loose hose connection | Tighten the air hose connection to the tire valve. |
9. Specifications
- Model Number: CYD24
- Brand: Soulor
- Peak Output Current: 6000 Amps
- Battery Capacity: 8000 Milliamp Hours (29.6 Wh)
- Battery Cell Composition: Lithium Ion
- Voltage: 12 Volts
- Maximum Inflation Pressure: 160 PSI
- Product Dimensions: 3.15"D x 3.74"W x 7.09"H
- Item Weight: 0.66 Kilograms
- Vehicle Service Type: All of the above (up to 10.0L Diesel)
- Operating Temperature: -4°F to 140°F
- USB-C Input: 5V/3A, 9V/2A, 12V/1.5A (PD45W)
- USB Output: 5V/2.4A
10. Warranty and Support
Soulor provides a 2-year worry-free return policy and lifetime technical support for the CYD24 Jump Starter with Air Compressor. For any product quality issues or technical assistance, please contact our professional technical support team, available 24/7.
11. Official Product Video
Video: An official product video from NLHK-Direct demonstrating the features and usage of the Soulor 6000A Car Battery Booster Jump Starter with Air Compressor.