Introduction
Thank you for purchasing the JINSERTA 120W 3-Socket Cigarette Lighter Power Adapter. This versatile car charger is designed to provide multiple charging options for your electronic devices while on the go. Featuring three cigarette lighter sockets and dual USB ports, it allows you to power up to five devices simultaneously. Its compact design, real-time voltage display, and safety features ensure a convenient and secure charging experience in your vehicle.
Safety Information
- This product is designed for use with DC 12V-24V vehicle power outlets only. Do not attempt to use it with other voltage ranges.
- The cigarette lighter sockets are for power supply only and cannot be used to light cigarettes.
- Do not disassemble, modify, or repair the device yourself. Contact qualified personnel for service.
- Avoid exposing the device to extreme temperatures, direct sunlight, moisture, or corrosive environments.
- Ensure all connections are secure before driving. Loose connections can cause damage or fire.
- The built-in LED voltage display provides real-time monitoring of your car battery. If the display shows a voltage that is too high or too low, consult your vehicle's manual or a mechanic.
- This device incorporates anti-interference functions to prevent disruption to navigation, DVR, car audio, and cell phone signals.
Product Overview
The JINSERTA Car Charger is a multi-functional power adapter for your vehicle. Below are its key components and features:
- Cigarette Lighter Plug: Connects to your vehicle's 12V/24V cigarette lighter socket.
- 3 Cigarette Lighter Sockets: Provide up to 120W total power for various car appliances.
- 2 USB Charging Ports: Deliver a total Max 5V/3.1A output for charging smartphones, tablets, and other USB-powered devices.
- LED Voltage Display: Shows the real-time voltage of your car battery.
- Independent Switches: Each cigarette lighter socket has an independent ON/OFF switch for convenience and safety.
- Adjustable Head: Features an 80-degree swiveling head for flexible positioning.

Figure 1: Front view of the JINSERTA Car Charger, showing the main unit with three cigarette lighter sockets, two USB ports, and the LED voltage display.
Setup
- Insert into Cigarette Lighter Socket: Gently insert the car charger's plug into your vehicle's 12V/24V cigarette lighter socket. Ensure it is firmly seated.
- Adjust Position: The charger features an 80-degree adjustable head. Rotate the head to your desired angle for optimal convenience and to save space.

Figure 2: Illustration showing the 90-degree rotation capability of the car charger's head for flexible positioning.
- Power On: Once connected, the LED voltage display will illuminate, showing your car battery's current voltage.
Operating Instructions
Charging Devices via USB Ports
- Connect your USB charging cable to one of the two USB ports on the car charger.
- Connect the other end of the cable to your smartphone, tablet, or other USB-powered device.
- The device will begin charging automatically. The USB ports provide a combined maximum output of 5V/3.1A.

Figure 3: The car charger simultaneously charging a tablet and a smartphone via its dual USB ports.
Using Cigarette Lighter Sockets
- Plug your car appliance (e.g., car vacuum cleaner, car DVR, air purifier) into one of the three cigarette lighter sockets.
- Press the corresponding independent ON/OFF switch located above each socket to activate it. The switch will illuminate when active.

Figure 4: The car charger highlighting its independent switches for each of the three cigarette lighter sockets, with examples of compatible devices like car vacuum cleaners, DVRs, and air purifiers.
- To turn off a socket, press its switch again.
- The total power output for all three sockets combined is 120W. Ensure the total power consumption of connected devices does not exceed this limit.
Monitoring Car Battery Voltage
- The built-in LED display continuously shows your car battery's voltage.
- A normal voltage range is typically between 12.3V and 14.6V for a 12V system.

Figure 5: The car charger's LED display showing real-time voltage monitoring, with examples of voltage readings indicating "Too low" (11.6V), "Normal" (12.3V), and "Normal" (14.6V).
- If the voltage is too low (e.g., below 12V) or too high (e.g., above 15V), it may indicate an issue with your car battery or charging system. Consult a professional if you observe persistent abnormal readings.
Maintenance
- Cleaning: Use a soft, dry cloth to clean the surface of the charger. Do not use liquid cleaners or abrasive materials.
- Storage: When not in use for extended periods, disconnect the charger from the vehicle's power outlet and store it in a cool, dry place.
- Inspection: Periodically check the charger and its cable for any signs of damage, such as frayed wires or loose connections. Do not use if damaged.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Charger not powering on / No LED display |
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| Devices not charging via USB |
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| Cigarette lighter sockets not working |
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| Voltage display shows abnormal reading |
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Specifications
| Feature | Detail |
|---|---|
| Input Voltage | DC 12V-24V |
| Output Power (Cigarette Sockets) | Max. 120W |
| USB Output | 5V / 1A, 5V / 2.1A (Total Max 3.1A) |
| Number of Cigarette Sockets | 3 |
| Number of USB Ports | 2 |
| Dimensions (L x W x H) | 130mm x 88mm x 47mm (approx. 5.12 x 3.46 x 1.85 inches) |
| Net Weight | 100.9g (approx. 3.56 ounces) |
| Model Number | E2273 |
| Color | Grey |
| Included Components | 1 * Car cigarette lighter |

Figure 6: Diagram illustrating the dimensions of the JINSERTA Car Charger.
Warranty and Support
This product comes with a standard manufacturer's warranty. Please refer to the packaging or the point of purchase for specific warranty terms and conditions.
For technical support, troubleshooting assistance, or warranty claims, please contact the seller or manufacturer directly. Contact information can typically be found on the product packaging or the seller's website.
Brand: JINSERTA