12V to 110V 3000W Car Power Inverter with LCD Display & Dual USB, Black Description






❓ Frequently Asked Questions
Is this power inverter easy to use?
Yes. It features one-key open/close operation and a plug-and-play design. Simply connect the battery clips or cigarette lighter adapter and press the switch.
What voltage does this inverter convert?
It converts DC 12V to AC 110V, ideal for cars, SUVs, trucks, vans, and RVs.
Can I charge multiple devices at the same time?
Yes. It has 2 USB ports (4.2A SuperSpeed) and 1 AC socket, allowing simultaneous charging for phones, tablets, laptops, and other devices.
Does it have a display to show power status?
Yes. The intelligent LCD shows real-time battery voltage, output voltage, and load status.
Is this inverter safe to use?
Yes. The built-in smart chip and cooling fan provide multiple safety protections against overload, overheating, and short circuits.
How do I connect the inverter to the battery?
Connect the red cable to the positive (+) post and the black cable to the negative (-) post. An incorrect connection may blow the fuse.
What comes included in the package?
1 Car Power Inverter, 1 pair of 12V car battery clips, 1 cigarette lighter adapter, and 1 user manual.
Can this inverter run a refrigerator or water pump?
For inductive loads like refrigerators or pumps, a Pure Sine Wave inverter is required. Please confirm your device's waveform requirements before use. The product specifications do not clearly state whether this model is a pure sine wave. We recommend not using it for high-power inductive loads.
Is it noisy?
No. It operates quietly with an intelligent cooling fan that runs only when needed.
Is it portable?
Yes. It weighs only 550g (1.21 lbs) and measures 7.87" x 4.4" x 2.2", making it easy to store in your car.
Is there a warranty included?
Yes, every order includes a 30-day money-back guarantee and 3-year warranty coverage.
⚙️ Features & Specifications
| Product Name |
4000W Power Inverter (CMZ-4000) |
| Conversion |
DC 12V to AC 110V |
| Input Voltage |
DC 12V |
| Output Voltage |
AC 110V |
| USB Output |
2 × USB Ports (4.2A SuperSpeed) |
| AC Socket |
1 × AC Multi-Socket (110V) |
| Item Weight |
550g (1.21 lbs)
|
| Dimensions |
7.87" × 4.4" × 2.2"
|
|
Switch Type
|
One-key Open & Close |
| Color |
Black & Red |
Working Temperature
|
32°F (0°C) - 104°F (40°C) |