Introduction
Thank you for choosing the BSMOOM Portable 4-in-1 Car Jump Starter. This versatile device combines a powerful car jump starter, a portable power bank, an air compressor (tire inflator), and a multi-mode flashlight into one compact unit. Designed for convenience and emergency situations, it is an essential tool for every vehicle owner. Please read this manual thoroughly before use to ensure safe and optimal performance.
Safety Information
Always observe the following safety precautions to prevent injury or damage to the device and your vehicle:
- Do not operate the device if it is damaged or appears to be malfunctioning.
- Keep out of reach of children.
- Do not expose the device to extreme temperatures, direct sunlight, or moisture.
- Ensure proper ventilation during use, especially when inflating tires.
- Always connect the jumper cables correctly (red to positive, black to negative) to avoid sparks or damage.
- Remove jumper cables within 30 seconds after the vehicle starts.
- Do not over-inflate tires; always check the recommended tire pressure.
- Use only the provided accessories and charging cables.
Package Contents
Verify that all items are present in your package:
- BSMOOM Portable 4-in-1 Car Jump Starter Unit
- Smart Jumper Cables (Red/Black clamps)
- Air Hose with Nozzle Adapters
- USB Charging Cable
- Carry Case
- User Manual (this document)
Product Overview
Familiarize yourself with the components of your BSMOOM 4-in-1 device:

Image: The BSMOOM 4-in-1 Jump Starter unit, showing the main device, smart jumper cables, and air hose with nozzle.
Main Unit Features:
- Digital Display: Shows battery level, pressure readings (PSI, KPA, BAR, kg/cm²), and operating status.
- Control Buttons: Power button, mode selection, pressure adjustment (+/-).
- Jump Start Port: For connecting smart jumper cables.
- Air Hose Port: For connecting the air compressor hose.
- USB Output Ports: For charging mobile devices.
- USB-C Input Port: For charging the jump starter unit.
- LED Flashlight: Integrated light with multiple modes.

Image: Diagram showing the dimensions of the BSMOOM 4-in-1 Jump Starter: 17.3cm (6.8in) height, 9.0cm (3.54in) width, 7.5cm (2.95in) depth.
Specifications
| Feature | Specification |
|---|---|
| Brand Name | BIUBLE (BSMOOM) |
| Peak Current | >1200 A |
| Special Features | USB, Lighting, Warning Light, SOS Lighting |
| Voltage | 12 V |
| Conversion Rate | >90% |
| Battery Capacity (mAh) | 20000-30000 mAh |
| External Testing Certification | ROHS, FCC, CE |
| Number Of Built-in Batteries | 4 |
| Operating Temperature | -20℃ ~ 60℃ |
| Origin | Mainland China |
Setup
Initial Charging of the Unit
Before first use, fully charge the BSMOOM 4-in-1 unit. Connect the provided USB charging cable to the unit's USB-C input port and a suitable USB power adapter (not included). The digital display will indicate the charging status and battery level. A full charge typically takes several hours.

Image: The BSMOOM unit connected to a wall outlet for charging, also showing a smartphone being charged by the unit.
Operating Instructions
1. Car Jump Starter Function
Use this function to start a dead car battery.
- Ensure the jump starter unit is at least 75% charged.
- Turn off your vehicle's ignition and all accessories.
- Connect the smart jumper cable's blue plug into the jump start port on the BSMOOM unit.
- Attach the RED (+) clamp to the positive terminal of your car battery.
- Attach the BLACK (-) clamp to the negative terminal of your car battery.
- Check the indicator light on the smart jumper cable. A solid green light indicates a safe connection. If it's red or flashing, check connections or refer to troubleshooting.
- Start your vehicle.
- Once the vehicle starts, immediately remove the jumper cables from the car battery (black first, then red) and then disconnect from the jump starter unit.

Image: A person connecting the smart jumper cables to a car battery, demonstrating the correct connection procedure.
2. Air Compressor (Tyre Inflator) Function
Inflate car tires, bicycle tires, or other inflatables.
- Connect the air hose to the air hose port on the BSMOOM unit.
- Attach the air hose nozzle to the tire valve. Ensure a secure connection to prevent air leakage. Use appropriate adapters for different valves.
- Turn on the unit. The display will show the current tire pressure.
- Press the mode button to select the desired unit (PSI, KPA, BAR, kg/cm²).
- Use the '+' and '-' buttons to set the target pressure.
- Press the power button to start inflation. The compressor will automatically stop once the target pressure is reached.
- Disconnect the air hose from the tire valve and then from the unit.

Image: The BSMOOM unit standing upright, showcasing its design and ports for air hose and jumper cables, ready for use.
3. Power Bank Function
Charge your electronic devices on the go.
- Connect your device's USB charging cable to one of the USB output ports on the BSMOOM unit.
- The unit will automatically begin charging your device. The digital display will show the remaining battery capacity.
- Disconnect your device once fully charged or when you no longer need to charge.

Image: The BSMOOM unit connected to a wall outlet for charging, also showing a smartphone being charged by the unit.
4. Flashlight Function
The integrated LED flashlight provides illumination and emergency signaling.
- Press and hold the flashlight button (often integrated with the power button or a dedicated light button) to turn on the flashlight.
- Press the button repeatedly to cycle through different modes: Constant Light, Warning Light (flashing), and SOS Lighting.
- Press and hold the button again to turn off the flashlight.

Image: A person using the BSMOOM unit's powerful LED flashlight to illuminate an engine bay, highlighting its utility in low-light conditions.
Maintenance
- Cleaning: Wipe the unit with a soft, dry cloth. Do not use harsh chemicals or abrasive cleaners.
- Storage: Store the device in its carry case in a cool, dry place, away from direct sunlight and extreme temperatures.
- Battery Care: For optimal battery life, charge the unit fully every 3-6 months, even if not in use. Do not store with a completely depleted battery.
- Accessory Inspection: Regularly check jumper cables and air hose for any signs of wear or damage. Replace if necessary.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not turn on | Low battery or unit is off. | Charge the unit fully. Press and hold the power button for a few seconds. |
| Car does not jump start | Incorrect cable connection, low unit battery, or severely dead car battery. | Ensure correct polarity (+ to +, - to -). Charge the unit. If car battery is completely dead, it may require professional assistance. |
| Air compressor not inflating | Air hose not securely connected, target pressure not set, or unit battery low. | Check air hose connection. Set target pressure. Charge the unit. |
| Smart jumper cable indicator is red/flashing | Reverse polarity, short circuit, or battery voltage too low. | Disconnect and re-connect cables correctly. If issue persists, the car battery might be faulty. |
| Device not charging external devices | Unit battery low or cable issue. | Charge the unit. Try a different USB cable or port. |
User Tips
- Keep the unit charged and stored in your vehicle for immediate access during emergencies.
- Always double-check tire pressure recommendations before inflating to avoid over-inflation.
- When jump starting, ensure the vehicle's engine is off and all accessories are unplugged to prevent electrical surges.
- The flashlight's SOS mode can be crucial in roadside emergencies to signal for help.
Warranty and Support
Your BSMOOM Portable 4-in-1 Car Jump Starter is designed for reliability and performance. For any questions, technical support, or warranty claims, please contact the seller or manufacturer directly. Keep your purchase receipt as proof of purchase.