UTRAI JS-9 Portable Car Battery Jump Starter & Air Compressor User Manual

Introduction

The UTRAI JS-9 is a versatile portable device designed to provide emergency jump-starting for 12V vehicles, inflate tires with its built-in air compressor, and serve as a power bank for electronic devices. It features advanced safety protections and a multi-function LED light for various situations.

Safety Information

This image illustrates the various safety protection features of the UTRAI JS-9, including safeguards against short circuit, overheating, low temperature, surge voltage, overload, over-voltage, over-discharge, and over-charge, ensuring safe operation for both the user and the vehicle.

Read all safety warnings and instructions before using this product. Failure to follow the warnings and instructions may result in electric shock, fire, and/or serious injury.

• The device incorporates advanced safety protection technologies including over-charge, over-current, short-circuit, reverse-polarity, low-temp, high-temp, over-voltage, over-load, spark-proof, and reverse-charge protection.
• Do not expose the device to rain or wet conditions.
• Do not operate the device if it has been dropped or damaged.
• Keep out of reach of children.
• Ensure proper ventilation during use.
• Do not disassemble the unit. Refer to qualified service personnel for repairs.

Package Contents

This image shows the UTRAI JS-9 jump starter unit along with its included accessories: smart jumper cables, an air pump hose, three gas nozzles, and a USB-C charging cable, all neatly packed in a portable EVA carrying case.

• 1 x UTRAI JS-9 Jump Starter with Air Compressor
• 1 x Smart Jumper Cables
• 1 x Air Pump Hose
• 3 x Gas Nozzles (various adapters for inflatables)
• 1 x USB-C Charging Cable
• 1 x Portable EVA Carrying Case
• 1 x User Manual (this document)

Product Features

Powerful Jump Starter

The UTRAI JS-9 delivers a powerful 4000A peak current, capable of jump-starting all 12V vehicles, including cars (up to 8.5L gas or 6.5L diesel engines), motorcycles, ATVs, UTVs, lawn mowers, snowmobiles, trucks, boats, RVs, and tractors. It can perform up to 40 jump starts on a single full charge and operates effectively in extreme temperatures from -20°C to 60°C (-4°F to 140°F).

150PSI Cordless Air Compressor

Equipped with a 150 PSI air compressor, the JS-9 can inflate an average car tire to 20 PSI in approximately 3 minutes. It features an intelligent preset function and auto shut-off, allowing users to set desired pressure values (PSI, BAR, KPA) for various inflatables such as car tires, bike tires, motorcycle tires, balls, mattresses, and swimming rings.

Multi-functional Fast Charge Power Bank

With a 15000mAh cell capacity, the JS-9 includes a USB output port (5V/3A, 9V/2A, 12V/1.5A) and a Quick Charge 3.0 USB-C port (5V/2A, 9V/2A). This allows for rapid charging of mobile devices such as cell phones, tablets, earphones, drones, smartwatches, and other portable electronics.

Multi-Function LED Lights

The integrated LED flashlight offers three modes: Flashlight, Strobe, and SOS. These modes are useful for various emergencies, outdoor activities, camping, and general illumination at night.

Large Digital Display & IP67 Waterproof

The device features a large LED display that clearly shows working status, input/output, air pressure, and battery level. Its rugged ABS housing provides IP67 waterproof protection, making it resistant to dust and water ingress, suitable for various environments.

Setup

Charging the UTRAI JS-9

Before first use, fully charge the UTRAI JS-9. Use the provided USB-C charging cable to connect the device to a compatible USB power adapter (not included). The digital display will indicate the charging status and battery level. A full charge ensures optimal performance for jump-starting and air compression.

Checking Battery Level

Press any button on the device to activate the display and check the current battery level. Ensure sufficient charge before attempting to jump start a vehicle or inflate tires.

Operating Instructions

1. Jump Starting a Vehicle

1. Ensure the UTRAI JS-9 is sufficiently charged.
2. Connect the smart jumper cables to the jump starter port on the JS-9.
3. Attach the red clamp to the vehicle's positive (+) battery terminal.
4. Attach the black clamp to the vehicle's negative (-) battery terminal.
5. Ensure the clamps are securely connected and the smart cable indicator light is green (if applicable).
6. Start the vehicle's engine.
7. Once the engine starts, immediately remove the jumper cables from the vehicle battery, first the black clamp, then the red clamp, and then disconnect from the JS-9.

2. Using the Air Compressor

1. Connect the air pump hose to the air outlet port on the JS-9.
2. Attach the other end of the hose to the tire valve or appropriate inflatable. Use the correct gas nozzle if needed.
3. Turn on the air compressor function. The digital display will show the current pressure.
4. Use the control buttons to set the desired pressure (PSI, BAR, or KPA).
5. The compressor will automatically stop once the preset pressure is reached.
6. Disconnect the hose from the tire/inflatable and the JS-9.

3. Using as a Power Bank

1. Connect your electronic device to the USB-A or USB-C output port on the JS-9 using a compatible charging cable.
2. The device will begin charging automatically.
3. Monitor the battery level on the JS-9 display.

4. Using the LED Flashlight

• Press the flashlight button once for constant illumination.
• Press again for Strobe mode.
• Press a third time for SOS mode.
• Press a fourth time to turn off the light.

Maintenance

• Charging: Recharge the device every 3-6 months, even if not used, to maintain battery health. Store it with at least 50% charge.
• Cleaning: Wipe the device with a soft, dry cloth. Do not use harsh chemicals or abrasive cleaners.
• Storage: Store the UTRAI JS-9 in a cool, dry place, away from direct sunlight and extreme temperatures. Use the provided EVA carrying case for protection.

Troubleshooting

Specifications

Warranty and Support

UTRAI offers a 2-YEAR FREE Warranty for the JS-9 jump box pack. This includes Lifetime Technical Support and 7/24 Customer Service. For any inquiries or support, please contact UTRAI customer service.

Note: Warranty details are subject to the terms and conditions provided by the manufacturer. Please retain your proof of purchase.