Introduction
The UTRAI T1 Portable Car Battery Jump Starter is a versatile and essential tool for vehicle owners. Designed to provide a quick and reliable jump start for a wide range of vehicles, it also serves as a portable power bank for electronic devices and features an integrated LED flashlight for emergencies. This manual provides detailed instructions for safe and effective use, maintenance, and troubleshooting.
Important Safety Information
Always read and understand all safety information before using this product.
- Ensure the jump starter's battery power is above 85% before attempting to jump start a vehicle.
- Connect the smart jumper clamps correctly: red clamp to the positive (+) battery terminal and black clamp to the negative (-) battery terminal. Incorrect connections will trigger an audible buzz and flashing lights.
- Do not allow the red and black clamps to touch each other once connected to the jump starter.
- After successfully starting the car, immediately unplug the jump starter unit from the clamps, then remove the clamps from the car battery.
- Avoid exposing the unit to extreme temperatures outside the range of -4°F to 140°F (-20°C to 60°C).
- Store the unit in a cool, dry place away from direct sunlight and moisture.
- Keep out of reach of children.
The T1 trickle charger system includes 8 types of protection: anti-spark, reverse polarity, low temperature, high temperature, and overload protection, among others, ensuring safe operation.
Package Contents
Verify that all items listed below are included in your package:
- 1x UTRAI T1 Car Battery Jump Starter Unit
- 1x Smart Jumper Clamps
- 1x USB Type-C Charging Cable
- 1x User Manual

Figure 1: Package Contents of the UTRAI T1 Jump Starter.
Product Overview
The UTRAI T1 is designed for portability and ease of use, featuring a compact and lightweight build with robust PC+ABS shell material for durability against fire, water, dust, and drops.

Figure 2: The compact and lightweight design of the UTRAI T1 Jump Starter.
Components
- Power Button: Activates the unit and controls the LED flashlight.
- LED Indicator Lights: Display the remaining battery charge level.
- USB Output Ports (5V/2.1A & Quick Charge 3.0): For charging mobile devices.
- Type-C Input Port: For charging the jump starter unit.
- EC5 Output (12V/2500A): Connection point for smart jumper clamps.
- LED Flashlight: Integrated light with Normal, Strobe, and SOS modes.
Setup
Charging the Jump Starter
Before first use, fully charge the UTRAI T1 unit. It is recommended to charge the unit every 3 months if not used for an extended period to maintain battery health.
- Connect the provided USB Type-C cable to the Type-C input port on the jump starter.
- Plug the other end of the USB cable into a compatible USB wall adapter (not included) or a USB port on a computer.
- The LED indicator lights will illuminate, showing the charging progress. All lights will be solid when fully charged.

Figure 3: The UTRAI T1 unit can be charged via its Type-C input port.
Operating Instructions
Jump Starting a Vehicle
The UTRAI T1 can jump start vehicles with up to 7.5L gasoline and 5.5L diesel engines.
- Ensure the jump starter unit has at least 85% charge.
- Open the hood of your vehicle and locate the car battery.
- Insert the plug of the smart jumper clamps firmly into the EC5 output port on the jump starter unit.
- Connect the red (+) clamp to the positive terminal of the car battery.
- Connect the black (-) clamp to the negative terminal of the car battery.
- Once connected, the smart clamp indicator light will turn green, indicating it's ready to jump. If it buzzes or flashes, check connections.
- Start your vehicle. If the engine does not start on the first try, disconnect the clamps from the car battery and wait for at least 30 seconds before reattempting.
- Once the vehicle is started, immediately unplug the smart jumper clamps from the jump starter unit, then remove the clamps from the car battery.

Figure 4: Proper connection of the UTRAI T1 to a car battery for jump starting.
Video 1: Demonstration of using the UTRAI T1 Portable Car Jump Starter to start a vehicle with a dead battery.
Using as a Power Bank
The UTRAI T1 can charge your cellphones, tablets, and other mobile devices up to 66% faster than a standard charger.
- Connect your device's USB charging cable to one of the USB output ports on the jump starter unit.
- Press the power button on the jump starter to begin charging your device.
- The jump starter will automatically detect your device and begin charging.

Figure 5: Charging electronic devices using the UTRAI T1's power bank function.
Using the LED Flashlight
The built-in LED flashlight offers three modes for various situations.
- Press and hold the power button for 3 seconds to turn on the LED flashlight (Normal mode).
- Press the power button again to cycle through the modes: Strobe Light, SOS Light.
- To turn off the flashlight, press and hold the power button for 3 seconds.

Figure 6: The UTRAI T1's LED flashlight with multiple modes for emergency use.
Maintenance
- If the jump starter has not been used for an extended period, charge it every 3 months to maintain its battery pack in a healthy state.
- Clean the unit with a dry, soft cloth. Do not use abrasive cleaners or solvents.
- Store the unit in its original packaging or a protective case to prevent damage.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Jump starter does not turn on. | Battery is fully discharged. | Charge the unit fully before use. |
| Smart clamps buzz or flash red. | Incorrect connection (reverse polarity, short circuit) or low voltage. | Check clamp connections to ensure red is on positive (+) and black is on negative (-). If the car battery is extremely low, disconnect and reconnect the clamps to reset the unit and try again. |
| Vehicle does not start after first attempt. | Car battery is severely discharged or engine issues. | Disconnect clamps, wait 30 seconds, and reattempt. If still unsuccessful, the car battery may be too dead or there may be other vehicle issues requiring professional assistance. |
| Device not charging from USB output. | Jump starter is off or low battery. | Ensure the jump starter is powered on. Check the unit's charge level and recharge if necessary. |
Specifications
| Feature | Detail |
|---|---|
| Model | T1 |
| Peak Current | 2500A |
| Battery Capacity | 13200mAh |
| Engine Compatibility | Up to 7.5L Gas & 5.5L Diesel Engines |
| USB Output | 5V/2.1A, Quick Charge 3.0 |
| Type-C Input | 5V/2A |
| Operating Temperature | -4°F to 140°F (-20°C to 60°C) |
| Dimensions | 6.22"D x 1.02"W x 3.18"H |
| Item Weight | 0.3 Kilograms (approx. 10.6 ounces) |
| Shell Material | PC+ABS (Fireproof, Waterproof, Dustproof, Dropproof) |
Warranty and Support
The UTRAI T1 Car Battery Jump Starter comes with a 2-year hassle-free warranty and lifetime technical support.
For any quality issues or technical assistance, please contact UTRAI customer support through the official channels provided at the time of purchase or visit the UTRAI Store on Amazon.





