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

Model	F23J5V5A1S-C
Input Rated Voltage	12V / 24V DC
Input Voltage Range	8–32V DC
Output Voltage	5V DC
Output Current	5A max
Output Power	25W max
Conversion Efficiency	Up to 96%
Voltage Regulation	±1%
Load Regulation	±5%
Ripple & Noise	30mVp-p
No-Load Loss	0.15W
Operating Temperature	-25°C ~ +80°C
Waterproof Grade	IP68
Input Wiring	20AWG wire (Red = Positive, Black = Negative)
Output Connector	USB Type-C
Color	Black
Material	Plastic
Dimensions	46(63) × 27 × 14 mm
Weight	45g
Certifications	CE, RoHS
Country of Origin	Made in Mainland China

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)

Related Products You May Like

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.

Made with care

Great value

Elegant design

Quality materials

This product is crafted with quality materials to ensure durability and performance. Designed with your convenience in mind, it seamlessly fits into your everyday life.

We strive to process and ship all orders in a timely manner, working diligently to ensure that your items are on their way to you as soon as possible.

We are committed to ensuring a positive shopping experience for all our customers. If for any reason you wish to return an item, we invite you to reach out to our team for assistance, and we will evaluate every return request with care and consideration.