Dual USB DC-DC Step-Down Power Module 9V–36V to 5V 3A
Dual USB DC-DC Step-Down Power Module 9V–36V to 5V 3A
Dual USB DC-DC Step-Down Power Supply Module
Keep your devices charged and your electronics powered on the go with this compact Dual USB DC-DC Step-Down Regulated Power Supply Module. Engineered for vehicles, DIY electronics, and automotive projects, this versatile converter accepts a wide input range of 9V, 12V, 24V, and 36V and delivers a stable, regulated 5V DC output at up to 3A — perfect for powering dual USB charging ports in cars, trucks, RVs, motorcycles, and more.
With its compact 59mm form factor, this module slots neatly into custom dash builds, fuse box installations, or any space-constrained project. The regulated output ensures your connected devices receive clean, consistent power without voltage fluctuations that could damage sensitive electronics.
Key Features
- Wide Input Voltage Range: Compatible with 9V, 12V, 24V, and 36V DC sources — ideal for a variety of vehicle and battery systems
- Regulated 5V DC Output: Delivers stable 5V output for reliable dual USB device charging
- Maximum Output Current: Up to 3A total, supporting simultaneous charging of two devices
- Dual USB Ports: Charge two USB-powered devices at the same time
- Compact Design: Measures just 59mm in length — easy to integrate into tight spaces
- Step-Down (Buck) Converter: Efficient voltage regulation with minimal heat generation
- Versatile Application: Suitable for cars, trucks, motorcycles, RVs, boats, solar systems, and custom electronics builds
Specifications
- Input Voltage: 9V / 12V / 24V / 36V DC
- Output Voltage: 5V DC (regulated)
- Maximum Output Current: 3A
- Output Ports: 2 × USB-A
- Module Length: 59mm
- Type: Step-Down (Buck) DC-DC Converter
Ideal For
- Custom in-car USB charging installations
- Motorcycles, RVs, and boats with 12V or 24V electrical systems
- Solar panel battery-to-USB power setups
- DIY electronics and hobbyist projects
- Replacing or upgrading factory vehicle charging ports
For guidance on safe electrical installations in vehicles, visit the U.S. Consumer Product Safety Commission (CPSC) for relevant safety standards and best practices.
Learn more: Voltage regulator module
Frequently Asked Questions
Q: What input voltages are compatible with this DC-DC step-down power module?
A: This dual USB step-down power module is compatible with input voltages of 9V, 12V, 24V, and 36V DC, making it suitable for a wide range of vehicle and battery-based electrical systems including standard 12V car systems, 24V truck and commercial vehicle systems, and 36V battery packs.
Q: How much power can the dual USB output supply deliver?
A: The module provides a regulated 5V DC output with a maximum combined current of 3A across both USB ports. This means you can charge two USB devices simultaneously, with the total load not exceeding 3A (15W at 5V).
Q: Is this module easy to install in a vehicle?
A: Yes. The compact 59mm module is designed for straightforward integration into custom automotive builds, dashboard panels, or fuse box installations. Connect the input wires to your vehicle's appropriate DC power source and the dual USB ports are ready to use. Always follow safe wiring practices and consult a qualified auto electrician if you are unsure about your vehicle's electrical system.
Q: Can this be used for non-automotive applications?
A: Absolutely. While ideal for cars, trucks, and RVs, this step-down converter works with any DC power source within the 9V–36V input range, including solar battery systems, lithium battery packs, and hobbyist electronics projects.