1. Product Overview
The ASPERX AX1500 is a portable lithium car jump starter designed to provide emergency starting power for 12V vehicles. It delivers a 2000A peak current, capable of starting engines up to 7.0L gas or 5.5L diesel. This device also functions as a portable power bank and features an integrated LED flashlight.
Package Contents
Upon opening the package, verify that all items listed below are present:
- ASPERX AX1500 Car Jump Starter
- Smart Jump Cable with Clamps
- USB Type-C Charging Cable
- User Manual
- Carrying Case

Image: Package contents of the ASPERX AX1500 Car Jump Starter.
2. Safety Information
Read and understand all safety information before using this product. Failure to follow these instructions may result in electric shock, explosion, fire, or serious injury.
- Do not immerse the unit in water.
- Do not operate the unit in explosive atmospheres, such as in the presence of flammable liquids, gases, or dust.
- Do not modify or disassemble the unit. Servicing should only be performed by qualified personnel.
- Keep out of reach of children.
- Ensure proper ventilation during use.
- Avoid direct contact with battery acid.
- The unit is equipped with 10 intelligent protection systems, including over-charge, short circuit, reverse polarity, low temperature, high temperature, over-voltage, overload, reverse charge, over-current, and spark-proof protection.
Operating Temperature
The ASPERX AX1500 is designed to operate effectively in temperatures ranging from -4°F to 140°F (-20°C to 60°C).

Image: Security and protection features of the jump starter.
3. Product Components and Features
Familiarize yourself with the various parts and functions of your ASPERX AX1500 jump starter.

Image: Multifunctional features and ports of the jump starter.
- Jump Starter EC5 Output: Port for connecting the smart jump cables.
- USB Output: For charging external electronic devices.
- Type-C Input: For charging the jump starter unit.
- Power Button: To turn the unit on/off and cycle through LED flashlight modes.
- LED Screen: A 1.4-inch LCD display showing battery level, charging status, and other indicators.
- LED Light: Integrated flashlight with multiple modes.
LCD Display Indicators

Image: Details of the 1.4-inch LCD screen.
- Battery Level Display: Shows the remaining charge percentage.
- Charging Input Display: Indicates when the unit is being charged.
- Charging Output Display: Indicates when the unit is charging external devices.
- Battery Light Status: Shows the status of the LED flashlight.
4. Charging the Jump Starter
Before first use, fully charge the ASPERX AX1500. It is recommended to recharge the unit every three months to maintain optimal battery health, even if not in use.
Charging Procedure
- Connect the provided USB Type-C charging cable to the Type-C input port on the jump starter.
- Connect the other end of the USB Type-C cable to a compatible USB wall charger (not included) or a car charger.
- The LCD screen will indicate the charging status. A full charge typically takes approximately 4-5 hours.

Image: Charging the jump starter with a wall charger.

Image: Charging the jump starter with a car charger.
5. Operating Instructions: Jump Starting a Vehicle
Follow these steps carefully to jump start your vehicle:
- Prepare the Jump Starter: Ensure the jump starter is adequately charged.
- Connect the Smart Jump Cable: Insert the blue end of the smart jump cable into the EC5 output port on the jump starter. Ensure a secure connection.
- Connect to Vehicle Battery: Attach the red clamp to the positive (+) terminal of your vehicle's battery and the black clamp to the negative (-) terminal. Ensure the clamps make good contact with the battery terminals.
- Activate Boost Function (if needed): If the vehicle battery voltage is extremely low (below 0V), press the "BOOST" button on the smart jump cable. The indicator light on the cable will turn solid green when ready.
- Start the Vehicle: Once the indicator light is solid green, start your vehicle's engine within 30 seconds.
- Remove Cables: After the engine starts, immediately remove the smart jump cable from the vehicle battery terminals, then disconnect the cable from the jump starter unit.

Image: Step-by-step guide for jump starting a car.
Vehicle Compatibility
The ASPERX AX1500 is suitable for a wide range of 12V vehicles, including:
- Motorcycles
- Cars (up to 7.0L gas engine)
- SUVs (up to 7.0L gas engine)
- 12V Trucks (up to 5.5L diesel engine)
- Boats
- RVs
- Tractors

Image: Applicable scenarios for the jump starter.
6. Other Functions
Portable Power Bank
The ASPERX AX1500 can charge various electronic devices via its USB output port.
- Connect your device's USB charging cable to the USB output port on the jump starter.
- The jump starter will begin charging your device. The LCD screen will show the charging output status.

Image: Charging USB devices with the jump starter.
LED Flashlight
The integrated LED flashlight offers three modes for various situations:
- To Turn On/Off: Press and hold the power button for 3 seconds to turn the flashlight on or off.
- To Change Modes: Briefly press the power button to cycle through the modes: Flashlight (steady light), Strobe Light, and SOS Light.
The flashlight can provide up to 48 hours of continuous illumination on a full charge.

Image: LED flashlight with multiple modes.
7. Maintenance
- Recharging: Recharge the jump starter every three months to maintain battery health, even if it has not been used.
- Cleaning: Use a dry, soft cloth to clean the unit. Do not use harsh chemicals or abrasive materials.
- Storage: Store the unit in a cool, dry place away from direct sunlight and extreme temperatures. Keep it in its carrying case to protect it from dust and damage.
- Battery Lifespan: The built-in smart chip helps extend the battery lifespan, offering up to 24 months of standby time when properly maintained.
8. Troubleshooting
If you encounter issues with your ASPERX AX1500, refer to the following common problems and solutions:
- Unit does not turn on:
- Ensure the unit is charged. Connect it to a power source using the USB Type-C cable.
- Press and hold the power button for a few seconds to ensure it is not just a brief press.
- Vehicle does not start after jump starting:
- Check that the smart jump cable is securely connected to both the jump starter and the vehicle battery terminals.
- Ensure the clamps are attached to the correct polarity (+ to +, - to -).
- Verify that the jump starter has sufficient charge.
- If the battery is completely dead (below 0V), ensure you have pressed the "BOOST" button on the smart jump cable and the indicator light is solid green.
- The vehicle's battery may be severely damaged or there might be another issue with the vehicle's starting system. Consult a professional mechanic.
- Smart jump cable indicator light is not green:
- A red light or flashing light indicates a safety protection is active (e.g., reverse polarity, short circuit). Disconnect the clamps and re-attach them correctly.
- Ensure the jump starter is adequately charged.
9. Specifications
| Feature | Specification |
|---|---|
| Model Number | AX1500 |
| Peak Current | 2000 Amps |
| Engine Compatibility (Gas) | Up to 7.0 Liters |
| Engine Compatibility (Diesel) | Up to 5.5 Liters |
| Product Dimensions (L x W x H) | 6.3" x 3.15" x 1.57" |
| Item Weight | 415 Grams (14.6 ounces) |
| Battery Type | Lithium Polymer |
| Operating Temperature | -4°F to 140°F (-20°C to 60°C) |
| Safety Rating | UL 2056 |
10. Warranty and Customer Support
ASPERX provides a 2-year product quality assurance for the AX1500 Car Jump Starter.
For any questions, concerns, or technical assistance, please contact ASPERX customer service. Our support team is available 24 hours to assist you.
Please refer to the contact information provided on the product packaging or the official ASPERX website for the most up-to-date support channels.





