1. Introduction
Thank you for choosing the AVAPOW 4000A Car Jump Starter. This powerful and versatile device is designed to provide reliable jump-starting for a wide range of 12V vehicles, including cars, motorcycles, ATVs, UTVs, lawn mowers, and snowmobiles. It features a robust 4000A peak current, capable of starting all gas engines and diesel engines up to 10L. Beyond jump-starting, it functions as a portable power bank with quick-charge USB outputs and includes a multi-functional LED light for emergencies.
Please read this instruction manual carefully before use to ensure proper operation and to familiarize yourself with the product's features and safety guidelines.
2. What's in the Box
Upon opening your AVAPOW 4000A Car Jump Starter package, you should find the following items:
- AVAPOW A58 jump starter x1
- Intelligent battery clamps with starter cable x1
- High quality Type-C cable x1
- Cigarette lighter converter x1
- Jump starter carry case x1
- User-friendly manual x1

3. Product Diagrams
Familiarize yourself with the different parts and functions of your AVAPOW A58 jump starter:

- Power button
- USB 1 Output: 5V/3A, 9V/2A, 12V/1.5A (Quick Charge 3.0)
- USB 2 Output: 5V/2.4A
- EC5 Output / Dust Cover (Jump Start Port)
- Type-C Input: 5V/3A, 9V/2A, 12V/1.5A
- DC Output: 12V/10A
- LED Light
4. Specifications
Key technical specifications for the AVAPOW A58 Jump Starter:
| Feature | Specification |
|---|---|
| Cycle life | >1000 times |
| EC5 output | 12V / 4000A maximum starting power (max.) |
| USB1 output | 5V/3A 9V/2A 12V/1.5A |
| USB2 output | 5V/2.4A |
| Type-C input | 5V/3A 9V/2A 12V/1.5A |
| DC output | 12V/10A |
| Charging time | Type-C at 5V / 3A: 4H |
| LED Light | White: 1W |
| Working temperature | -10°C ~ 60°C |
| Storage temperature | -10°C ~ 60°C |
| Item Weight | 1.7kg |
| Battery Capacity (mAh) | 20000-30000 |
| External Testing Certification | MSDS |
5. Charging the Jump Starter Battery
Before first use, please charge the jump starter for 3 hours or more. Ensure the jump starter has at least 50% capacity before attempting to jump start a vehicle.
5.1. Charging with an AC Adapter (AC adapter is not included)
- Connect the jump starter's Type-C input port (5) with the provided Type-C USB cable.
- Connect the other end of the USB cable to an AC adapter (not included).
- Plug the AC adapter into a power source.
5.2. Charging with a Car Charger (Car cigarette lighter adapter is not included in the package)
- Connect the jump starter's Type-C input port (5) with the provided Type-C USB cable, and then connect to a car cigarette lighter adapter (not included).
- Plug the car cigarette lighter adapter into your car's cigarette lighter socket.

6. How to Jump Start Your Vehicle
This unit is designed for jump starting 12V car batteries. Do not attempt to jump start vehicles with a higher battery rating or different voltage. Ensure the jump starter battery has at least 50% or more capacity.
Important Safety Note:
- If the vehicle isn't started immediately, please wait for 1 minute to allow the device to cool down.
- Do not try to restart the vehicle after three consecutive attempts as this may damage the unit.
- Check your vehicle for other possible reasons why it can't be restarted.
Step-by-Step Instructions:
- Plug in the Jumper Cable: Connect the intelligent battery clamps to the EC5 output port (4) on the jump starter. If the indicator light on the jumper cable is blue, the clamp cable is in standby status.
- Connect the Clamps to Your Car Battery: Connect the red clamp cable to the positive (+) terminal of your car battery and the black clamp cable to the negative (-) terminal. Please avoid reverse connection.
- Start Your Car Engine: When the indicator light of the jumper cable turns green, you can try to start your vehicle.
- Remove the Clamps: After jump-starting the engine, first remove the battery clamps from the car battery, then remove the jumper cable plug from the jump starter.

6.1. Force Start Function
If your vehicle's battery is completely dead (voltage < 2V) and the jump starter does not automatically detect it, you can use the force start function:
- Ensure the correct connection of clamps to the car battery.
- Long-press the red button on the intelligent battery clamps for 3 seconds until the middle indicator light turns green.
- Once the green light is on, you have approximately 30 seconds to start your car engine.

7. Jumper Clamp Indicator Instructions & Abnormal Indications
The intelligent battery clamps provide visual and audible feedback to guide you through the jump-starting process and alert you to potential issues.
7.1. Jumper Clamp Indicator Status
| Status | Technical Parameter | Description | Solution |
|---|---|---|---|
| Standby indication | Blue light | Jumper cables connected to jump starter, blue light on. | Ready for connection to car battery. |
| Automatic conduction status indicator (ready to jump start your car) | Green light | Jumper cables connected to the car battery after connecting the jump starter, green light on. | Proceed to start the car. |
| Force start function | Start the car within 30s | If normal operations cannot start your car, use the forced start function. | Long press the force start button for 3 seconds until green light on, then start car. |
7.2. Abnormal Indication of Jumper Clamp
| Letter | Stands For | Solution |
|---|---|---|
| LC (Red light stays on) | Low Capacity | Charge the jump starter. Ensure it has at least 50% capacity for jump-starting. |
| RC (Red light stays on) | Reverse Connection | Disconnect clamps and re-connect: Red clamp to positive (+), Black clamp to negative (-). |
| HT (Red light stays on and beeps) | High Temperature | Wait 5 minutes for the device to cool down before attempting to use it again. It will automatically recover. |
⚠ Warning: Forbid to use this clamp in an environment full of flammable gas.
8. How to Charge Mobile Phones or Digital Products
The AVAPOW A58 jump starter features two USB output ports, allowing you to charge your smartphones, tablets, and other USB-powered devices. With Quick Charge 3.0 support on USB 1, it can charge compatible devices up to 75% faster than standard chargers. You can charge two devices simultaneously.
Step-by-Step Instructions:
- Connect USB Cable: Plug the USB port of your charging cable into either USB 1 (2) or USB 2 (3) output ports on the jump starter.
- Connect to Device: Insert the other end of the cable into the input port of your mobile phone or digital product.
- Start Charging: Once connected correctly, press the Power button (1) on the jump starter. Your device should begin charging.

9. LED Flashlight
The built-in LED light (7) offers multiple modes for various situations, making it a versatile emergency tool.
Operating the LED Light:
- Turn On/Off: Long-press the Power button (1) for 3 seconds to turn on the flashlight. The battery capacity indicator lights will also turn on. Long-press the Power button again for 3 seconds to switch the device off completely. If no device is connected, it will automatically switch off after a period of inactivity.
- Change Modes: Once the LED flashlight is on (in light mode), short-press the Power button (1) to cycle through the different modes:
- Lighting (Steady On)
- SOS (Morse Code for distress)
- Strobe (Flashing)
- Turn Off from Any Mode: Long-press the Power button (1) for 3 seconds in any mode to turn off the LED function.
The flashlight offers more than 35 hours of continuous use when fully charged.

10. Safety Warnings
⚠ Please read and adhere to all safety warnings to prevent injury or damage to the device and your vehicle.
- Never short circuit the jump starter by connecting the Red and Black clamps.
- Do not disassemble the jump starter.
- When children use this product, please ensure they are under the guidance of parents.
- Store in a dry place, do not expose to damp conditions or near corrosive materials.
- If the jump starter expands, leaks, or emits a peculiar smell, stop use immediately.
- Please use this jump starter at normal temperature and keep it far away from excessively wet, hot, and fire-prone environments.
- Do not attempt to start the vehicle continuously. Allow an interval of at least 30 seconds to 1 minute between starting attempts.
- When the battery power is less than 10%, do not use the jump starter as it may damage the unit.
- Before first use, please charge it for 3 hours or more.
11. Maintenance
Proper maintenance will ensure the longevity and optimal performance of your AVAPOW A58 Jump Starter.
- Regular Charging: To maintain battery health, it is recommended to fully charge the jump starter every 3-6 months, even if not in use. This prevents deep discharge and extends its lifespan.
- Storage: Store the device in a cool, dry place, away from direct sunlight, moisture, and corrosive materials. Ensure the operating and storage temperatures are within -10°C to 60°C.
- Cleaning: Use a soft, dry cloth to clean the exterior of the jump starter. Do not use harsh chemicals or abrasive cleaners. Keep the ports free of dust and debris.
- Check Cables and Clamps: Periodically inspect the intelligent battery clamps and cables for any signs of damage, fraying, or corrosion. Replace if necessary.
- Avoid Extreme Conditions: Do not expose the device to extreme temperatures, high humidity, or direct water contact.

12. Troubleshooting
If you encounter issues with your AVAPOW A58 Jump Starter, refer to the table below for common problems and their solutions. For more detailed information on indicator lights, refer to Section 7.
| Problem / Indicator | Possible Cause | Solution |
|---|---|---|
| LC (Red light on) | Jump starter battery is low. | Charge the jump starter. Ensure it has at least 50% capacity for jump-starting. |
| RC (Red light on) | Reverse connection of clamps to car battery. | Disconnect clamps and re-connect: Red clamp to positive (+), Black clamp to negative (-). |
| HT (Red light on and beeps) | Jump starter is overheating. | Wait 5 minutes for the device to cool down before attempting to use it again. It will automatically recover. |
| No response / Short circuit protection activated | Clamps are short-circuited or other protection triggered. | Ensure clamps are not touching each other. Re-check connections to the car battery. If still no response, the unit may have entered a protected state. Disconnect and reconnect after a minute. |
| Vehicle does not start after 3 attempts | Other vehicle issues or jump starter needs to cool down. | Stop attempting to jump start. Wait 1 minute between attempts. If still unsuccessful, consult a mechanic for other vehicle problems. |
13. User Tips
Here are some helpful tips to get the most out of your AVAPOW A58 Jump Starter:
- Keep it Charged: Always ensure your jump starter is adequately charged, especially before long trips or during cold weather. A fully charged unit is a reliable unit.
- Cold Weather Performance: In very cold conditions, the battery performance might be slightly reduced. Keep the jump starter in a warmer environment (e.g., inside the car cabin) before use for optimal performance.
- Read Your Car Manual: Always refer to your vehicle's owner's manual for specific jump-starting procedures, especially regarding battery terminal locations and any electronic system precautions.
- Emergency Kit Essential: The AVAPOW A58 is a great addition to any roadside emergency kit, providing not just a jump start but also a flashlight and power bank for your devices.
14. Warranty and Support
Your AVAPOW A58 Car Jump Starter comes with a manufacturer's warranty. Please refer to the warranty card included in your package or visit the official AVAPOW website for detailed warranty terms and conditions.
For technical support, troubleshooting assistance, or any questions regarding your product, please contact AVAPOW customer service through the seller's platform or the contact information provided in your product documentation. When contacting support, please have your model number (A58) and purchase details ready.
User manual (PDF) available for download: View Item Guides & Documents





