Introduction
Thank you for choosing the AsperX AX2000 Portable Car Jump Starter. This device is designed to provide a powerful and reliable solution for starting vehicles with dead batteries, as well as serving as a portable power bank and an emergency LED flashlight. With a 2000A peak current, it can jump-start a wide range of vehicles, including those with up to 8.0L gas or 6.5L diesel engines. Its robust design and multiple safety features ensure safe and efficient operation in various conditions.

Package Contents
Please check the package for the following items:
- 1 x AsperX AX2000 Jump Starter
- 1 x Smart Battery Jumper Clamps
- 1 x USB-C Charging Cable
- 1 x EVA Carrying Case
- 1 x User Manual (this document)
Product Features
- Powerful Jump Starting: 2000A peak current, capable of starting 12V vehicles with up to 8.0L gas or 6.5L diesel engines.
- Wide Operating Temperature: Functions reliably in extreme climates from -4β to 140β (-20β to 60β).
- 1.4-inch LCD Display: Provides clear information on battery level, charging input/output status, and battery light status.
- 10 Upgrade Protections: Advanced safety features including reverse polarity protection, over-current protection, short-circuit protection, over-charge protection, and zero voltage start function.
- Multi-functional Power Bank: Equipped with USB-C input and USB-A output (5.0V/2.4A) to charge smartphones, tablets, earphones, and other USB-powered devices.
- 400 Lumens LED Flashlight: Features three modes: Flashlight, Strobe Light, and SOS Light, providing up to 48 hours of illumination for emergencies or outdoor activities.



Safety Information
Please read and understand all safety information before using this product. Failure to follow these instructions may result in electric shock, fire, or serious injury.
- Always connect the red clamp to the positive (+) terminal and the black clamp to the negative (-) terminal of the car battery.
- Do not touch the red and black clamps together once connected to the jump starter.
- Do not attempt to jump-start a frozen battery.
- Do not use the jump starter if the battery clamps or cables are damaged.
- Keep the jump starter away from children.
- Operate in a well-ventilated area.
- Do not expose the product to water or extreme heat.
- If the jump starter becomes excessively hot during use, discontinue use immediately.
Setup
Initial Charging
Before first use, fully charge the AsperX AX2000 jump starter. This ensures optimal performance and battery longevity.
- Connect the provided USB-C charging cable to the USB-C input port on the jump starter.
- Connect the other end of the USB-C cable to a compatible wall charger (not included).
- The LCD display will show the charging status. A full charge typically takes approximately 5-6 hours.

Checking Battery Level
The 1.4-inch LCD display provides real-time information about the jump starter's battery level and operational status.

Operating Instructions
Jump Starting Your Vehicle
Follow these steps carefully to jump-start your vehicle:
- Insert Jump Cable: Plug the smart battery jumper clamps into the jump starter's port. Ensure a secure connection.
- Connect Clamps: Attach the red (+) clamp to the positive terminal of your car battery and the black (-) clamp to the negative terminal.
- Activate BOOST (if needed): If your car battery is extremely low (below 0V), press the "BOOST" button on the smart clamps. The indicator light on the clamps will confirm readiness.
- Start Car Engine: Once the clamps are correctly connected and the jump starter is ready, start your car's engine immediately.
- Remove Jump Cable: After the car starts, remove the clamps from the car battery first, then disconnect the jump cable from the jump starter.

Using as a Power Bank
The AX2000 can charge your electronic devices:
- Connect your device's USB charging cable to the USB-A output port on the jump starter.
- The jump starter will automatically begin charging your device. The LCD display will show the output status.
Using the LED Flashlight
The built-in 400 lumens LED flashlight has three modes:
- Flashlight: Press the flashlight button once for constant illumination.
- Strobe Light: Press the flashlight button a second time for a flashing light.
- SOS Light: Press the flashlight button a third time for an SOS signal.
- Press the button again to turn off the flashlight.
Charging the Device
To recharge your AsperX AX2000 jump starter:
- Use the provided USB-C charging cable.
- Connect the USB-C end to the jump starter's input port.
- Connect the standard USB end to a USB wall adapter (5V/2A or higher recommended, not included).
- The LCD screen will indicate charging progress. Charging from empty to full takes approximately 5-6 hours.
Maintenance and Storage
- Storage: Store the jump starter in its EVA carrying case in a cool, dry place, away from direct sunlight and moisture.
- Recharging: For optimal battery health, recharge the jump starter every 3-6 months, even if it hasn't been used.
- Cleaning: Wipe the device with a soft, dry cloth. Do not use harsh chemicals or abrasive materials.
- Temperature: Avoid storing the device in temperatures outside its operating range (-4β to 140β).
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Jump starter does not turn on. | Low battery or completely discharged. | Charge the jump starter fully. |
| Car does not start after connecting. | Incorrect clamp connection; car battery too low; vehicle issue. | Ensure clamps are connected correctly (red to +, black to -). Press the "BOOST" button if the car battery is very low. Check for other vehicle issues. |
| Smart clamps show an error light. | Reverse polarity, short circuit, or other protection triggered. | Disconnect clamps, check connections, and reconnect carefully. Refer to the smart clamp's indicator guide for specific error codes if available. |
| Device gets hot during use. | Normal operation under heavy load; prolonged use. | Discontinue use and allow the device to cool down. If overheating persists or is excessive, contact support. |
Specifications
| Feature | Specification |
|---|---|
| Peak Current | 2000A |
| Vehicle Voltage | 12V |
| Engine Compatibility (Gas) | Up to 8.0L |
| Engine Compatibility (Diesel) | Up to 6.5L |
| Battery Capacity | 3000 - 5000 mAh (Internal) |
| Number of Built-in Batteries | 2 |
| Operating Temperature | -4β to 140β (-20β to 60β) |
| LED Flashlight Lumens | 400 Lumens |
| Flashlight Duration | Up to 48 hours |
| Input Port | USB-C |
| Output Port | USB-A (5.0V/2.4A) |
| Charging Time | Approx. 5-6 hours (with compatible wall charger) |
User Tips
- Always ensure the jump starter is adequately charged before storing it in your vehicle, especially for long trips or during cold weather.
- Familiarize yourself with your car battery's positive and negative terminals before an emergency arises.
- Keep the battery terminals of your car clean and free of corrosion for better conductivity.
- In extremely cold conditions, keeping the jump starter inside your vehicle's cabin (where it's warmer) can help maintain its charge and performance.
Warranty and Support
The AsperX AX2000 Portable Car Jump Starter is designed for durability and performance. For any questions, technical assistance, or support needs, please refer to the contact information provided with your purchase or visit the official AsperX website. Please retain your proof of purchase for warranty claims.





