12V to 5V USB-C Step-Down Converter Buck Module – 3A

12V to 5V USB-C Step-Down Buck Converter Module

Power your USB-C devices from any 12V DC source with this compact and reliable step-down converter module. Whether you're running electronics in a vehicle, off-grid setup, or custom project, this buck module delivers a stable 5V/3A output — perfect for smartphones, tablets, Bluetooth headphones, and any device with a USB Type-C charging port.

Key Features

• Stable Output: Converts an unstable 12V DC input to a clean, regulated 5V / 3A USB-C output — ideal for sensitive electronics.
• Built-In Safety Protections: Automatic safeguards against voltage fluctuations, current overload, overheating, and short circuits keep your devices protected.
• Universal USB-C Compatibility: Works with any device featuring a Type-C port — smartphones, tablets, earbuds, portable speakers, and more.
• Waterproof & Shockproof Design: Built to handle demanding environments, ensuring long-term stability and dependable performance wherever it's installed.
• Compact & Versatile: Small form factor (45 × 27 × 14 mm) fits neatly into vehicle dashboards, DIY enclosures, and custom wiring setups.
• Two Cable Options: Available in Elbow (right-angle) or Straight connector configuration — choose what suits your installation.

Specifications

What's in the Box

• 1 × 12V to 5V USB-C Step-Down Converter Module

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Note: Due to lighting conditions and shooting angles, slight color differences may appear in product images. Please allow 0–3 mm tolerance due to manual measurement.

Learn more: EPA guidance on lithium-ion battery handling

Frequently Asked Questions

Q: What devices is this 12V to 5V USB-C converter module compatible with?

A: This step-down buck converter is compatible with any device that charges via a USB Type-C port, including smartphones, tablets, Bluetooth headphones, portable speakers, and other USB-C electronics. It is ideal for use in vehicles, DIY electronics projects, and off-grid power setups where a 12V DC source is available.

Q: Is this converter module safe to use with sensitive electronics?

A: Yes. The module features built-in automatic protections against voltage fluctuations, current overload, overheating, and short circuits, making it safe for use with a wide range of sensitive consumer electronics. Its stable 5V/3A regulated output ensures consistent and dependable charging.

Q: Can this converter be used outdoors or in a vehicle?

A: Absolutely. Thanks to its waterproof and shockproof design, this converter module is well-suited for automotive installations, boat electronics, and outdoor or off-grid applications. Its compact size (45 × 27 × 14 mm) makes it easy to fit into tight spaces or custom enclosures.

Q: What is the difference between the Elbow and Straight connector options?

A: The Elbow (right-angle) connector is ideal when space is limited or when the cable needs to exit at a 90-degree angle from the module. The Straight connector is best for standard, direct installations. Both options deliver identical electrical performance — it's purely a matter of your installation preference.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.