POTEK 750WR
POTEK 750W Power Inverter User Manual
Model: 750WR
1. Product Overview
The POTEK 750W Power Inverter is a versatile DC to AC car converter designed to provide reliable power on the go. It delivers 750W of continuous power and a peak power of 1500 watts, making it suitable for a wide range of electronic devices.
Equipped with dual AC outlets and a 2A USB charging port, this inverter is ideal for charging tablets, game players, Kindles, digital cameras, cell phones, and powering lights or small power tools. Its ultra-compact and lightweight design ensures portability, perfect for road trips, vacations, outdoor activities, or emergency kits.
Safety is paramount, with built-in 40A*2 fuses and comprehensive protection features including short circuit, overheat, overload, high voltage, and low voltage protection.

Image: The POTEK 750W Power Inverter, showcasing its compact red casing, dual AC outlets, USB port, and included battery clamps and cigarette lighter adapter.
2. Package Contents
Upon opening your POTEK 750W Power Inverter package, please ensure all the following items are present:
- 1x POTEK 750W Power Inverter
- 1x Car Cigarette Plug Adapter
- 2x Car Battery Clip Cables
- 4x Spare Fuses (40A)
- 1x User Manual (this document)

Image: The POTEK 750W Power Inverter with its dimensions (9.6 x 4.1 x 2.2 inches) and all included accessories: battery clip cables, cigarette plug, and spare fuses.
3. Specifications
| Feature | Specification |
|---|---|
| Model Name | 750WR |
| Continuous Output Power | 750W |
| Peak Output Power | 1500W |
| Nominal Input Voltage | 12.8~13.2 VDC |
| Nominal Output Voltage | 110-125 VAC |
| Output Frequency | 60Hz ±3Hz |
| Output Wave | Modified Sine Wave |
| USB Port Output | 5V DC, 2A |
| Internal Fuse | 40A x 2 |
| Input Overvoltage Shutdown | 16 ±0.5VDC |
| Input Undervoltage Alarm | 10.5 ±0.5VDC |
| Input Low Voltage Shutdown | 10 ±0.5VDC |
| Dimensions | 9.6 x 4.1 x 2.2 inches |
| Weight | 1.1 pounds |
4. Safety Information
To ensure safe operation and prolong the life of your POTEK Power Inverter, please adhere to the following safety guidelines:
- Ventilation: Ensure adequate ventilation around the inverter. Do not block the cooling fan or vents.
- Environment: Keep the inverter in a cool, dry environment, away from direct sunlight, heat sources, moisture, and flammable materials.
- Connection: Only connect the power inverter to a 12V DC battery or power supply. Disconnect the positive battery terminal before performing any wiring to the inverter.
- Load Limits: Never run the inverter with loads higher than 150W via the cigarette lighter outlet in your vehicle, as the maximum allowed current through this outlet is 15A. For loads higher than 150W but lower than 750W, use the battery clamp cables connected directly to the 12V battery.
- Overload Protection: The inverter features built-in protection against short circuits, overheating, overloading, high voltage, and low voltage. If an error occurs, the inverter may shut down or indicate a fault.
- Fuse Replacement: The inverter is equipped with internal 40A x 2 fuses for protection. If a fuse blows, replace it with a fuse of the same type and rating.

Image: Diagram illustrating the safety features of the POTEK Power Inverter, including low-voltage, over-voltage, overload, short-circuit, and over-temperature protection.
5. Setup
Follow these steps to set up your POTEK 750W Power Inverter:
- Choose Connection Method:
- For loads up to 150W: Use the cigarette lighter plug.
- For loads between 150W and 750W: Use the battery clamp cables.
- Connect to Power Source (Battery Clamp Method):
- Ensure the inverter's power switch is in the "OFF" position.
- Connect the red (positive) battery clamp cable to the positive (+) terminal of your 12V battery.
- Connect the black (negative) battery clamp cable to the negative (-) terminal of your 12V battery.
- Connect the other ends of the cables to the corresponding positive and negative terminals on the inverter. Ensure connections are secure.
- Connect to Power Source (Cigarette Lighter Method):
- Ensure the inverter's power switch is in the "OFF" position.
- Insert the cigarette lighter plug firmly into your vehicle's 12V cigarette lighter socket.
- Power On: Once connected, switch the inverter's power button to the "ON" position. The green LED indicator should illuminate, indicating the inverter is ready for use.

Image: Detailed view of the POTEK 750W Power Inverter's front panel showing the LED power indicator, 2A USB port, AC sockets, and power switch. The rear panel shows the positive and negative terminals, external replaceable fuses, and cooling fan.
6. Operating Instructions
With the inverter properly set up and powered on, you can now connect your devices:
- Connect AC Devices: Plug your AC-powered devices (e.g., laptop, small appliances) into the dual AC outlets on the inverter.
- Connect USB Devices: Plug your USB-powered devices (e.g., smartphone, tablet) into the 2A USB charging port.
- Monitor Power Consumption: Be mindful of the total wattage of all connected devices. Do not exceed the inverter's continuous output power of 750W. Overloading the inverter can trigger safety protections and cause it to shut down.
- Turn Off When Not in Use: To prevent battery discharge, turn the inverter off when you are not using it. The inverter draws a low amperage from the battery even with no load connected if the main ON/OFF switch is turned on.

Image: The POTEK 750W Power Inverter actively charging a laptop and a smartphone, demonstrating its utility for multiple devices.

Image: A diagram illustrating various applications for the POTEK 750W Power Inverter, including LED lights, laptops, electric tools, mobile phones, pads, and BBQ equipment.
7. Maintenance
Regular maintenance helps ensure the longevity and optimal performance of your inverter:
- Cleaning: Periodically clean the exterior of the inverter with a dry, soft cloth. Ensure vents are free from dust and debris to maintain proper airflow for the cooling fan.
- Connections: Regularly check all electrical connections (battery clamps, cigarette lighter plug, and inverter terminals) to ensure they are tight and free from corrosion. Loose connections can lead to overheating or poor performance.
- Storage: When not in use for extended periods, store the inverter in a cool, dry place, away from direct sunlight and extreme temperatures.
8. Troubleshooting
If you encounter issues with your POTEK Power Inverter, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Inverter not powering on / No output |
|
|
| Red LED indicator is on |
|
|
| Fan not running |
|
|
Note: If the issue persists after attempting these solutions, please contact POTEK customer service for further assistance.
9. Official Product Videos
No official seller videos are available for this product at this time.
10. Warranty and Support
POTEK is committed to providing high-quality products and excellent customer service. Your POTEK 750W Power Inverter comes with a standard warranty. For specific warranty details, please refer to the warranty card included in your package or contact POTEK customer service.
For any questions, technical support, or warranty claims, please reach out to our friendly customer service team. Contact information can be found on the POTEK official website or through your purchase platform.
You can also visit the official POTEK store for more information and products: POTEK Store on Amazon.
Ask a question about this manual
Ask about setup, troubleshooting, compatibility, parts, safety, or missing instructions. Manuals+ will review the question and use this page’s manual context to help answer it.