1. Introduction
This manual provides essential information for the safe and effective operation of your YaberAuto YA90 Jump Starter with 160 PSI Compressor. Please read this manual thoroughly before use and retain it for future reference.

Figure 1: The YaberAuto YA90 Jump Starter, showcasing its main unit with an integrated display, attached jump starter clamps (red and black), and an air compressor hose with a nozzle.
2. Product Features
- Dual Protection Jump Starter: Delivers a peak current of 6500A for quick and easy vehicle starting. Includes a Force Start button for emergency situations.
- Integrated 160 PSI Compressor: Allows for tire inflation anytime, anywhere. Features a handle for portability and easy storage.
- PD 65W Fast Charging: Compact and versatile, enabling faster and more efficient charging of electronic devices. Equipped with DC output, USB-A, and USB-C ports for simultaneous charging.
- 600 Lumen Emergency Lighting: Offers four LED lighting modes: constant light, white strobe, red strobe, and SOS signal for various emergency needs.
- 3.3-inch Smart LCD Screen: Provides clear and accurate readings for battery level, inflation mode, and error indicators, ensuring safe and correct operation.
- Continuous DC Output Mode: Unique feature for powering in-vehicle devices continuously, ideal for car recorders and other essential electronics.
3. Safety Information
Always observe the following safety precautions to prevent injury or damage to the device:
- Do not expose the device to rain or extreme temperatures.
- Keep out of reach of children.
- Ensure proper ventilation during use and charging.
- Do not attempt to jump start a frozen battery.
- Always connect the red clamp to the positive (+) terminal and the black clamp to the negative (-) terminal or a suitable ground point on the vehicle chassis.
- Avoid short-circuiting the jump starter clamps.
- Disconnect the jump starter from the vehicle battery within 30 seconds after starting the engine.
4. Setup
4.1 Initial Charging
Before first use, fully charge the YaberAuto YA90. Connect the device to a power source using a PD 65W compatible charger (not included) via the USB-C port. The LCD screen will indicate the charging status.
4.2 Checking Battery Level
The 3.3-inch LCD screen displays the current battery percentage. Ensure the device is sufficiently charged before attempting to jump start a vehicle or inflate tires.

Figure 2: A detailed view of the 3.3-inch smart LCD screen on the YaberAuto YA90, showing battery percentage, various icons for vehicle types, pressure units (BAR, PSI, KPA), and status indicators like 'IN', 'OUT', 'READY', and warning symbols.
5. Operating Instructions
5.1 Jump Starting a Vehicle
- Ensure the jump starter is at least 50% charged.
- Turn off the vehicle's ignition and all accessories.
- Connect the red (+) clamp to the positive (+) terminal of the vehicle's battery.
- Connect the black (-) clamp to the negative (-) terminal of the vehicle's battery or a solid, unpainted metal part of the engine block/chassis.
- Ensure the clamps are securely attached. The LCD screen should indicate 'READY'.
- Start the vehicle's engine. If it doesn't start immediately, wait 30 seconds before trying again. Do not crank for more than 3 seconds per attempt.
- Once the engine starts, disconnect the black (-) clamp first, then the red (+) clamp, within 30 seconds.
- If the battery is deeply discharged, use the 'Force Start' button on the device. Consult the manual for specific instructions on Force Start mode.

Figure 3: The YaberAuto YA90 Jump Starter with its clamps connected to a car battery, illustrating its capability to start vehicles with up to 6500A peak current and compatibility with all 12.0L Gas and Diesel engines, along with a 'Force Start' function.
5.2 Using the Air Compressor
- Connect the air hose to the tire valve.
- Press the compressor button on the device.
- Use the 'M/U' button to select the desired pressure unit (PSI, BAR, KPA).
- Use the '+' and '-' buttons to set the target pressure.
- The compressor will automatically stop once the target pressure is reached.
- Disconnect the air hose from the tire valve.

Figure 4: The YaberAuto YA90 Jump Starter positioned next to a car tire, demonstrating its function as a 160 PSI wireless tire inflator. The screen displays pressure units (PSI, BAR, KPA) and the device's readiness for inflation.
5.3 Using as a Power Bank
The YA90 can charge various electronic devices:
- USB-C (PD 65W Max): For fast charging compatible devices.
- USB1 OUT (12W): Standard USB output.
- USB2 OUT (18W): Faster USB output.
- DC OUT (160W Max): For powering 12V devices.
Connect your device to the appropriate output port using a compatible cable. The LCD screen will show 'OUT' when discharging.

Figure 5: The YaberAuto YA90 Jump Starter functioning as a portable power bank, connected via cables to charge a drone and a tablet. The image highlights its multiple output ports: USB-C (PD 65W Max), USB1 OUT (12W), USB2 OUT (18W), and DC OUT (160W Max).
5.4 Emergency Lighting
The YA90 features a 600 lumen LED light with four modes:
- Constant Illumination: For general lighting.
- White Strobe: For signaling.
- Red Strobe: For warning.
- SOS: For emergency signaling.
Press the light button to cycle through the modes.

Figure 6: The YaberAuto YA90 Jump Starter's integrated 600 lumen emergency light illuminated, demonstrating its various modes including constant light, white strobe, red strobe, and SOS, useful as a flashlight or for emergency signaling.
6. Maintenance
- Store the device in a cool, dry place when not in use.
- Recharge the device every 3-6 months to maintain battery health, even if not used.
- Clean the exterior with a soft, damp cloth. Do not use harsh chemicals.
- Inspect the clamps and cables for any damage before each use.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Vehicle does not start | Low charge on jump starter; incorrect connection; deeply discharged vehicle battery. | Recharge jump starter; ensure clamps are correctly and securely connected; use 'Force Start' mode if vehicle battery is very low. |
| Air compressor not working | Hose not properly connected; target pressure not set; low jump starter battery. | Ensure hose is tightly screwed onto valve; set desired pressure; recharge jump starter. |
| Device not charging | Faulty cable or adapter; power source issue. | Try a different USB-C cable and PD 65W adapter; check power outlet. |
| LCD screen displays error | Internal fault; incorrect operation. | Refer to the specific error code on the screen (if any) and consult the YaberAuto support website or contact customer service. |
8. Specifications
| Feature | Specification |
|---|---|
| Brand | YaberAuto |
| Model | YA90 |
| Peak Current | 6500 A |
| Voltage | 12 Volts (DC) |
| Compressor Pressure | 160 PSI |
| PD Input/Output | 65 W |
| Emergency Light | 600 Lumens (4 modes) |
| LCD Screen Size | 3.3 inches |
| Battery Composition | Lithium-ion |
| Item Weight | 2.1 Kilograms |
| Vehicle Service Type | Car (Universal Fit) |
9. Warranty and Support
YaberAuto is committed to providing high-quality products and excellent customer service. Your YA90 Jump Starter comes with the following:
- 24/7 Customer Support: Assistance is available around the clock for any inquiries.
- 30-Day Unconditional Return Guarantee: If you are not satisfied, you may return the product within 30 days.
- 24-Month Hassle-Free Warranty: Covers manufacturing defects and ensures product reliability for two years.
- LIFETIME Customer and Technical Support: Ongoing support for the lifespan of your product.
For support, please visit the official YaberAuto website or contact our customer service team directly.





