Description
C.H.C. In-Car Multi-Socket Power Adapter with USB and Battery Monitor (Model NO.1633)
This powerful and versatile In-Car Multi-Socket Adapter is the ultimate solution for expanding your vehicle’s power and charging capabilities. Perfect for long road trips, commuters, and anyone needing to power multiple devices simultaneously, it converts your single cigarette lighter socket into three DC sockets and one USB charging port, all while intelligently monitoring your car’s battery health.
✨ Key Features and Qualities
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Massive Power Expansion: Transforms a single 12V/24V car socket into three separate DC sockets, supporting a total output power of up to 120W (excluding USB). This is ideal for powering high-drain accessories.
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Intelligent Battery Voltage Monitoring: Features a clear USB Digital Display that shows your car battery’s voltage in real-time. This helps you monitor battery health and prevents unexpected drive experiences (i.e., being stranded with a dead battery).
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The box explicitly highlights a “Stable Voltage” of 13.6V and provides a full voltage reference table for quick checks.
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Individual Socket Control: Each of the three DC sockets is equipped with its own individual ON/OFF switch (with illuminated rings for easy night use). This provides safety, energy savings, and the convenience of not having to constantly plug and unplug devices.
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Universal Compatibility (12V/24V): Designed to work flawlessly in both 12V passenger cars and 24V trucks or larger vehicles, offering maximum versatility.
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High-Speed USB Charging: Includes one USB port with a substantial output of 3100mA (3.1A max), capable of charging smartphones, tablets, and other USB-powered gadgets quickly and safely.
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Safety and Protection: Built-in safeguards, including a 10A replaceable fuse, provide stable current output and protect connected equipment from over-current and short-circuits.
🔌 Usage/Applications
This adapter is your essential travel companion for powering and charging a wide range of in-car devices:
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Powering Car Accessories: Easily connect and power high-drain devices like car vacuum cleaners, electric seat heaters/cushions, portable air compressors, electric car blankets, and mini-fridges via the 120W DC sockets.
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Navigation & Communication: Power your GPS navigator and keep your mobile phone charged for calls and maps.
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Entertainment: Charge media players like PSP, MP3, and MP4 players to keep passengers entertained on the go.
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Safety and Monitoring: Connect essential safety accessories such as a Dash Cam (DVR) and Radar Detector.
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Charging Multiple Devices: Simultaneously charge a variety of devices for the driver and all passengers.
⚙️ Detailed Technical Specifications
| Feature | Specification | Notes |
| Model Number | NO.1633 (C.H.C. Brand) | – |
| Input Voltage | 12V / 24V DC | Universal for cars, SUVs, trucks. |
| Total Power Output | 120W (Max) | Total power across all three DC sockets (excluding USB). |
| DC Sockets | 3 x 12V/24V DC Sockets | Not voltage regulated; output matches car’s input. |
| DC Socket Control | 3 x Individual ON/OFF Switches | For easy control and safety. |
| USB Output | 5V / 3100mA (3.1A max) | High-current output for fast charging mobile devices. |
| Monitoring | USB Digital Display | Real-time car battery voltage display. |
| Protection | Built-in 10A Replaceable Fuse | Protects devices from overcurrent/short-circuit. |
| Working Temperature | 0°C to 60°C | – |
| Relative Humidity | 5% to 70% | – |
| Certifications | CE, FC, RoHS (as indicated on the box) | Ensures compliance with European and US standards. |
| Voltage Display Table | 14.8V-13.8V (Normal after start), 12.8V-12.2V (Normal before start), Below 12V (Change battery/check circuit) | Based on the product packaging. |











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