1. Introduction
Thank you for choosing the NEXPOW Q11 Jump Starter. This device is designed to safely and efficiently start 12V vehicles with up to 12L gas or 10L diesel engines. It also functions as a portable power bank for electronic devices and includes an LED flashlight. Please read this manual thoroughly before use to ensure proper operation and safety.
2. Safety Information
Always observe the following safety precautions when using the NEXPOW Q11 Jump Starter:
- 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.
- Ensure proper ventilation during use.
- Keep out of reach of children.
- Do not attempt to jump start a frozen battery.
- Do not connect the positive and negative clamps together.
- The unit features spark-proof, reverse polarity, low-temperature, high-temperature, and over-load protection for safe operation.
- Operate within the specified temperature range of -4°F to 104°F (-20°C to 40°C).
3. Package Contents
Verify that all items are present in your package:

Image: Contents of the NEXPOW Q11 Jump Starter package, including the jump starter unit, USB-C cable, battery clamps, cigarette lighter converter, user manual, and zipper carry case.
- NEXPOW Q11 Jump Starter Unit
- USB-C to USB-C Cable
- Smart Battery Clamps with Starter Cable
- Cigarette Lighter Converter
- User Manual (this document)
- Zipper Carry Case
4. Product Features and Components
The NEXPOW Q11 is equipped with several features for convenience and safety:

Image: Front and side view of the NEXPOW Q11 Jump Starter, highlighting the 3.2-inch LED display, Power/Flashlight Button, Type-C Input/Output (PD60W), USB-A Output, DC Output, EC-5 Output, and LED Light.
- 3.2-inch LED Display: Shows remaining battery capacity, charging status, and operational information.
- PD60W Type-C Port (IN/OUT): Supports two-way quick charging, allowing the unit to be recharged quickly (0% to 80% in approximately 1 hour) and to charge compatible devices.
- USB-A Output: For charging smartphones, tablets, and other USB-powered devices.
- DC Output: Provides 12-16.8V/10A for compatible devices.
- EC-5 Output: Connection point for the smart battery clamps.
- Integrated LED Flashlight: Offers three modes: constant light, SOS signal, and strobe.
5. Setup and Initial Charging
Before first use, fully charge the NEXPOW Q11 Jump Starter.
- Connect the provided USB-C to USB-C cable to the PD60W Type-C port on the jump starter.
- Connect the other end of the cable to a compatible USB-C wall adapter (not included) or a power source.
- The LED display will show the charging status and battery percentage. Charge until the display indicates 100%.
- A full charge typically takes about 1 hour using a 60W PD charger.
6. Operating Instructions
6.1. Jump Starting a Vehicle
Ensure the jump starter is at least 50% charged before attempting to jump start a vehicle.

Image: The NEXPOW Q11 Jump Starter with its smart clamps connected to a 12V car battery, ready to start the vehicle.
- Connect Clamps: Insert the blue plug of the smart battery clamps into the EC-5 output port on the jump starter. Ensure a firm connection.
- Attach to Battery: Connect the RED positive (+) clamp to the vehicle's positive (+) battery terminal. Connect the BLACK negative (-) clamp to the vehicle's negative (-) battery terminal.
- Check Indicator: The indicator light on the smart clamps will show the connection status. A solid green light indicates a correct and safe connection. If it flashes or shows red, check connections and battery status.
- Start Vehicle: Once the green light is solid, start your vehicle's engine.
- Remove Clamps: After the engine starts, immediately remove the smart clamps from the vehicle battery, then disconnect the clamps from the jump starter.
6.2. Charging Electronic Devices
Use the USB-A or Type-C ports to charge your portable electronics.

Image: The NEXPOW Q11 Jump Starter connected via USB-C and USB-A to charge a tablet and a smartphone simultaneously.
- Connect your device's charging cable to the appropriate USB-A or Type-C output port on the jump starter.
- The jump starter will automatically begin charging your device. The LED display will show the remaining battery capacity.
6.3. Using the LED Flashlight
The integrated LED flashlight has three modes for various situations.

Image: The NEXPOW Q11 Jump Starter's LED flashlight in use, providing illumination in a dark engine compartment, demonstrating its utility for various lighting needs.
- Press and hold the Power/Flashlight button for 3 seconds to turn on the constant light mode.
- Press the button again to cycle through the modes: SOS signal → Strobe light.
- Press and hold the button again to turn off the flashlight.
7. Maintenance
Proper maintenance ensures the longevity and performance of your jump starter.
- Recharge Regularly: For optimal battery life, recharge the unit every 3-6 months, even if not used.
- Storage: Store the jump starter in a cool, dry place away from direct sunlight and extreme temperatures.
- Cleaning: Wipe the unit with a dry, soft cloth. Do not use harsh chemicals or abrasive materials.
- Battery Clamps: Inspect the clamps and cables for any damage before each use.
8. Troubleshooting
If you encounter issues, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Jump starter does not turn on. | Battery is completely discharged. | Charge the jump starter fully. |
| Vehicle does not start after jump starting. | Low charge on jump starter; incorrect clamp connection; vehicle battery severely damaged. | Ensure jump starter is fully charged. Recheck clamp connections (green light on smart clamps). Consult a mechanic if vehicle battery is faulty. |
| Smart clamps indicator light is red or flashing. | Reverse polarity; short circuit; over-temperature; low voltage. | Disconnect clamps and re-connect correctly. Check for any short circuits. Allow unit to cool down if overheated. Ensure jump starter has sufficient charge. |
| Devices not charging from USB/Type-C ports. | Jump starter battery low; incompatible cable/device. | Recharge the jump starter. Try a different charging cable or device. |
9. Specifications
| Feature | Specification |
|---|---|
| Model | Q11 |
| Peak Current | 3000 Amps |
| Battery Cell Composition | Lithium Ion |
| Voltage | 12 Volts |
| Engine Compatibility (Gas) | Up to 12.0 Liters |
| Engine Compatibility (Diesel) | Up to 10.0 Liters |
| Vehicle Service Type | Cars, Trucks, Motorcycles, Snowmobiles, SUVs, Lawn Mowers, Boats |
| Type-C Input/Output | PD60W (Two-Way Quick Charge) |
| USB-A Output | 5V/3A, 9V/2A, 12V/1.5A |
| DC Output | 12-16.8V/10A |
| Operating Temperature | -4°F to 104°F (-20°C to 40°C) |
10. Warranty and Support
NEXPOW products are designed for reliability and performance. For warranty information or technical support, please refer to the warranty card included in your package or visit the official NEXPOW website. If you have any questions or require assistance, please contact our customer service team.





