4-Port USB Step-Down Converter Board DC 12V/24V/40V to 5V 5A
4-Port USB Step-Down Converter Board DC 12V/24V/40V to 5V 5A
4-Port USB Step-Down Power Supply Converter Board – DC to 5V 5A
Power up to four USB devices simultaneously with this compact and efficient step-down voltage converter board. Whether you're running electronics in your vehicle, managing a DIY project, or charging phones and portable media players, this board delivers stable 5V/5A output from a wide input range of 7V to 40V DC — making it compatible with 12V, 24V, and 40V systems.
Key Features
- 4 USB-A Ports: Charge or power up to four devices at once — phones, MP3/MP4 players, car accessories, and more.
- Wide Input Voltage Range: Accepts DC 7V–40V input (compatible with 12V, 24V, and 40V systems).
- Stable 5V / 5A Output: Regulated step-down (buck) conversion ensures consistent, reliable power delivery.
- Compact DIY Module: Ideal for custom electronics builds, automotive projects, and embedded system integrations.
- Broad Temperature Range: Operates reliably from -40°C to +85°C, suited for demanding environments.
- Voltage Regulator Type: High-efficiency buck converter minimizes heat and energy loss.
- No High-Concern Chemicals: Built with materials free from high-concern chemical substances.
Specifications
| Input Voltage | DC 7V – 40V (12V / 24V / 40V compatible) |
| Output Voltage | DC 5V |
| Output Current | 5A (max) |
| USB Ports | 4 x USB-A |
| Type | Step-Down (Buck) Voltage Regulator |
| Operating Temperature | -40°C to +85°C |
| Package | DIY Kit (1 x Converter Board) |
| Condition | New |
| Country of Origin | Made in Mainland China |
What Can You Power?
This versatile converter board is perfect for:
- Smartphones and tablets (USB charging)
- MP3 / MP4 players and portable audio devices
- In-car USB accessories and dash cameras
- DIY electronics and maker projects
- Raspberry Pi and microcontroller power supplies
- Solar or battery-powered off-grid USB hubs
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Learn more: ENERGY STAR product efficiency guidance
Frequently Asked Questions
Q: What input voltages does this step-down converter board support?
A: This buck converter board accepts a wide DC input range of 7V to 40V, making it fully compatible with 12V, 24V, and 40V power systems commonly found in vehicles, solar setups, and industrial equipment.
Q: How many devices can I charge or power at once?
A: The board features 4 USB-A ports, allowing you to power or charge up to four devices simultaneously, with a combined maximum output of 5V at 5A total.
Q: Is this board suitable for DIY and automotive projects?
A: Yes — it comes as a DIY kit module and is ideal for custom electronics builds, car USB hubs, off-grid solar USB stations, and any project requiring stable 5V USB power from a higher-voltage DC source.
Q: What is the operating temperature range of this converter?
A: This board operates reliably across a wide temperature range of -40°C to +85°C, making it suitable for both indoor electronics projects and outdoor or in-vehicle environments.