Description
The Dual USB Port Car Power Converter is a compact, high-efficiency DC-DC step-down module designed to provide stable 5V power from a wide range of vehicle and industrial power sources. With a 9V to 36V input range and dual USB output ports delivering up to 3A total, this module is the ideal solution for charging smartphones, tablets, GPS devices, dash cameras, and other USB-powered electronics in cars, trucks, RVs, boats, and off-grid systems.
At the heart of the module is a high-efficiency synchronous buck converter that steps down input voltages from 9V–36V to a regulated 5V output. The module supports up to 3A total output current across both USB ports, providing ample power for fast charging modern devices. The conversion efficiency reaches up to 92%, minimizing heat generation and power loss — critical for automotive and marine environments where reliable, efficient power is essential.
The dual USB ports (Type-A) allow simultaneous charging of two devices, making it perfect for families, road trips, and work vehicles. The module includes built-in protection circuits including over-current protection, over-temperature protection, short-circuit protection, and reverse polarity protection, ensuring safe operation even under fault conditions.
The module is designed for easy installation with screw terminals for secure input wiring and a compact form factor that fits into tight spaces behind dashboards, in fuse boxes, or inside custom enclosures. The rugged construction resists vibration, temperature extremes, and the demanding conditions found in automotive and marine environments.
The 9V–36V input range covers standard 12V and 24V vehicle electrical systems, making it compatible with cars, trucks, buses, RVs, boats, and solar power systems. The module can also be used in industrial control panels, telecommunications equipment, and portable power stations.
Whether you are adding USB charging to a vehicle, building a custom power distribution system, or upgrading a boat‘s electrical panel, the Dual USB Car Power Converter provides a reliable, efficient solution. It is suitable for individual installers, fleet managers, and businesses purchasing in bulk for automotive, marine, and industrial applications.
Features
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Wide input voltage range — 9V to 36V DC, compatible with 12V and 24V vehicle systems
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Regulated 5V output — Stable power for USB devices
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Dual USB ports — Charge two devices simultaneously
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3A total output current — Fast charging for smartphones, tablets, and GPS devices
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High efficiency — Up to 92% conversion efficiency, low heat generation
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Built-in protection — Over-current, over-temperature, short-circuit, and reverse polarity protection
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Screw terminals — Secure input wiring for reliable installation
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Rugged construction — Resists vibration, temperature extremes, and harsh environments
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Compact form factor — Fits into tight spaces behind dashboards and in fuse boxes
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Wide application range — Cars, trucks, RVs, boats, solar systems, and industrial panels
Technical Specifications
| # | Parameter | Specification |
|---|---|---|
| 1 | Input Voltage | 9V – 36V DC |
| 2 | Output Voltage | 5V DC (regulated) |
| 3 | Total Output Current | 3A maximum |
| 4 | USB Ports | 2 × USB Type-A |
| 5 | Conversion Efficiency | Up to 92% |
| 6 | Protection | Over-current, over-temperature, short-circuit, reverse polarity |
| 7 | Terminal Type | Screw terminals for input |
| 8 | Operating Temperature | -40°C to +85°C |
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