4-in-1 Dual USB Car Charger with LED Voltage Meter

Stay Powered and Informed on Every Drive

This 4-in-1 Dual USB Car Charger combines fast charging with real-time monitoring, making it a reliable solution for keeping your devices powered on the road. Designed for vehicles with a 12-24V cigarette lighter socket, it delivers up to 3.1A total output through two USB ports, ideal for smartphones, tablets, GPS units, dash cams, and other USB-powered devices.

The integrated digital LED display clearly shows vehicle battery voltage, charging current, and temperature, helping you keep an eye on your car's electrical status and charging conditions at a glance. Smart charging technology automatically detects the connected device and allocates the appropriate current for efficient, stable charging. The compact, low-profile body fits neatly into the socket and is easy to move between vehicles.

Why It's a Smart Choice

• Charge Two Devices at Once - Dual USB outputs (up to 3.1A total) allow you to power a phone and another device simultaneously without noticeable slowdown.
• Real-Time Monitoring - Built-in voltage, current, and temperature readouts on the LED display help you monitor your vehicle battery and charging status in real time.
• Multi-Level Protection - Intelligent circuitry helps protect against overcurrent, overvoltage, overheating, and short circuits to support safer daily use.

FAQ

Q: What vehicles is this charger compatible with?
A: It works with most cars, SUVs, and trucks that have a standard 12-24V cigarette lighter or accessory power socket.

Q: What is the output of the USB ports?
A: The total output is up to 5V/3.1A, shared across both USB ports, depending on the power needs of your connected devices.

Q: Will the LED display stay on all the time?
A: The LED display is powered when the charger is plugged into an active socket. In many vehicles, the socket turns off with the ignition; in others it may stay powered-this depends on the vehicle's wiring.

Q: Can it be used to monitor car battery voltage?
A: Yes. When plugged in, the display shows the approximate voltage of your vehicle's electrical system, helping you spot abnormal readings.