12V/24V to 5V USB-C Step-Down Converter 5A 25W IP68

12V/24V to 5V USB-C Step-Down DC Converter – 5A 25W | IP68 Waterproof

Power your 5V USB-C devices directly from a 12V or 24V DC source with this compact, high-efficiency buck regulator. Boasting a 96% conversion efficiency, IP68 waterproof rating, and intelligent charging protocol support, this module is the ideal power solution for dashcams, GPS navigators, car electronics, marine setups, and off-grid systems. Made in Mainland China.

Why You'll Love It

• Wide Input Range: Accepts 8–32V DC input, making it fully compatible with 12V and 24V vehicle or battery systems.
• High Efficiency: Up to 96% conversion rate means minimal energy waste and low heat generation.
• IP68 Waterproof: Fully sealed for use in demanding outdoor, marine, and automotive environments.
• Smart Charging Protocol: Automatically identifies the connected device and handshakes via the appropriate USB charging protocol, delivering the maximum safe charging current and protecting your device.
• Comprehensive Protection: Features input reverse polarity protection, overload, overcurrent, low-voltage, overheat, and output short-circuit protection built right in.
• USB-C Output: Delivers clean 5V / 5A (25W max) through a standard Type-C connector compatible with most smartphones, tablets, and laptops.
• CE & RoHS Certified: Meets international safety and environmental standards.
• Compact & Lightweight: Measures just 46(63)×27×14 mm and weighs only 45g — easy to tuck into tight spaces.

Full Specifications

Common Applications

• Vehicle dashcams & GPS navigators
• 12V/24V truck, van, boat & RV charging setups
• Solar panel & battery bank power systems
• Motorcycle USB charging
• Industrial and DIY electronics projects

What's in the Box

• 1× DC-DC Step-Down Converter Module (USB-C output)

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For more on electrical safety and DC power system standards, visit the National Institute of Standards and Technology (NIST) – Electrical.

Frequently Asked Questions

Q: Is this DC step-down converter compatible with both 12V and 24V vehicle systems?

A: Yes! The converter accepts any DC input from 8V to 32V, making it fully compatible with standard 12V car and 24V truck or heavy-equipment electrical systems. The output is always a stable 5V DC at up to 5A (25W max).

Q: Will this USB-C DC converter fast-charge my smartphone or tablet?

A: The module intelligently identifies your device and communicates via USB charging protocols to deliver the maximum safe charging current — up to 5A / 25W through the USB-C port. Compatibility covers most major smartphones, tablets, and laptops that charge via USB-C.

Q: Is this step-down module safe to use outdoors or in a vehicle engine bay?

A: Absolutely. The IP68 waterproof rating means it is fully protected against dust ingress and prolonged water immersion. Its operating temperature range of -25°C to +80°C makes it suitable for harsh automotive, marine, and outdoor environments. Built-in protections include reverse polarity, overcurrent, overheat, and short-circuit safeguards.

Q: How do I wire this DC-DC converter?

A: The input uses 20AWG bare wires — connect the red wire to the positive terminal and the black wire to the negative terminal of your 12V or 24V DC source. The output is a standard USB-C port; simply plug in your USB-C device cable.