Introduction
Thank you for choosing the BSMOOM 4-in-1 Car Jump Starter and Air Compressor. This versatile device combines a powerful car jump starter, a portable air compressor, a high-capacity power bank, and an emergency LED light. It is designed to provide reliable assistance for various automotive and outdoor needs, ensuring you are prepared for unexpected situations on the road.
Safety Information
Please read all safety instructions carefully before using the device. Failure to follow these instructions may result in electric shock, fire, and/or serious injury.
- Always ensure proper connection of jumper cables to avoid reverse polarity.
- Do not expose the device to rain or wet conditions.
- Do not operate the device if it has been damaged or modified.
- Keep out of reach of children.
- Do not short-circuit the battery terminals.
- Avoid extreme temperatures.

Package Contents
Verify that all items are present in your package:

- BSMOOM Jump Starter Unit
- Smart Jumper Cable with Clamps
- Type-C USB Charging Cable
- Air Hose
- Air Nozzles (various types)
- User Manual
- Packing Box
Product Overview
The BSMOOM 4-in-1 device is a compact and powerful tool for automotive emergencies and daily use.
Key Features:
- Car Jump Starter: Capable of instantly jump starting vehicles with up to 7000A peak current, suitable for all gas engines and diesel engines up to 10.0L.
- Air Compressor: Built-in air inflator with up to 160 PSI pressure, featuring smart preset and auto-stop for accurate inflation of tires, balls, and other inflatables.
- Portable Power Bank: High-capacity 26800mAh battery with USB-C input/output for charging smartphones, tablets, and other USB-powered devices.
- Emergency LED Light: Integrated 400 Lumens LED light with Flashlight, Strobe, and SOS modes for visibility and signaling in emergencies.
- Informative Display: Sunlight-readable 2.16-inch clear LED screen displays real-time values, charging mode, power level, inflation mode, and units.

Setup
Charging the Device
Before first use, fully charge the BSMOOM jump starter. It is recommended to recharge the device periodically (every 3-6 months) to maintain battery health, even when not in use.
- Connect the provided Type-C USB cable to the 'U-C IN' port on the jump starter.
- Connect the other end of the USB cable to a suitable USB wall charger (not included).
- The LED screen will indicate the charging status and battery level.
- A 10-minute recharge from 0% can make the jump-starting function available.

Operating Instructions
1. Jump Starting a Car
Ensure the jump starter is sufficiently charged before attempting to jump start a vehicle.
- Insert the plug: Connect the smart jumper cable's plug into the jump starter's designated port.
- Connect the clamps: Attach the red clamp to the positive (+) terminal of the car battery and the black clamp to the negative (-) terminal.
- Start the engine: Once connected, start your car's engine. After the car starts, immediately remove the clamps from the battery, then disconnect the smart jumper cable from the jump starter.

2. Inflating Tires/Objects
The built-in air compressor can inflate various items with precision.
- Connect the air hose: Screw the air hose onto the inflation port of the jump starter and attach the appropriate air nozzle to the item you wish to inflate.
- Select mode: Press the "OK" key, then use the "M" key to cycle through and select the corresponding inflation mode (e.g., car, motorcycle, bicycle, ball).
- Adjust pressure and start: Use the "+" and "-" buttons to set the desired air pressure. Press "OK" to begin inflation. The device will automatically stop when the preset pressure is reached.

3. Using as a Portable Power Bank
Charge your electronic devices on the go.
- Connect your device's USB charging cable to the 'USB OUT' port on the jump starter.
- The jump starter will automatically begin charging your device.

4. Using Emergency Lights
The integrated LED light provides illumination and signaling functions.
- Press the light button to cycle through the different modes: Flashlight, Strobe, and SOS.
- The 400 Lumens light is useful for roadside repairs or as an emergency signal.

Maintenance
- Keep the device clean and dry. Wipe with a soft, damp cloth if necessary.
- Store the device in a cool, dry place away from direct sunlight and extreme temperatures.
- For optimal battery life, recharge the device every 3-6 months, even if it has not been used.
- Inspect jumper cables and air hose for any damage before each use.
Troubleshooting
If you encounter issues with your BSMOOM 4-in-1 device, please refer to the following common solutions:
- Device not turning on: Ensure the device is charged. Connect it to a power source using the Type-C USB cable.
- Car not jump starting: Check that the smart jumper cable is securely plugged into the jump starter. Verify that the red clamp is connected to the positive (+) terminal and the black clamp to the negative (-) terminal of the car battery. Ensure the car battery terminals are clean.
- Air compressor not inflating: Check that the air hose is securely connected to both the jump starter and the item being inflated. Ensure the correct inflation mode is selected and the desired pressure is set.
- Device not charging external devices: Ensure the external device's charging cable is properly connected to the 'USB OUT' port. Check if the jump starter has sufficient battery charge.
Specifications
| Feature | Specification |
|---|---|
| Brand Name | BSMOOM |
| Peak Current | 7000A (Max) |
| Battery Capacity | 26800mAh |
| Number of Built-in Batteries | 4 |
| Conversion Rate | 80%~85% |
| External Testing Certification | CE |
| Special Features | Lighting, Warning Light, SOS Lighting |
| Air Compressor Max Pressure | 160 PSI |
| Emergency Light Brightness | 400 Lumens |
| Vehicle Compatibility (Gas) | All Gas Engines |
| Vehicle Compatibility (Diesel) | Up to 10.0L Diesel Engines |
| Display Type | 2.16-inch Clear LED Screen |
User Tips
- The device uses Lithium-ion batteries, which offer high energy density and a long cycle life.
- Charging is done via USB-C. A wall adapter is not included, so use a compatible USB power adapter.
- The peak current for jump-starting is 7000 Amps, providing ample power for most vehicles.
- Always ensure the device is adequately charged before embarking on a long trip, especially if you anticipate needing its jump-starting or inflation functions.
Warranty and Support
For warranty information or technical support, please refer to the contact details provided with your purchase or visit the official BSMOOM website. Keep your proof of purchase for any warranty claims.