DC to USB Adapter 6V–30V to 5V 3A – Solar & 12V Compatible
DC to USB Adapter 6V–30V to 5V 3A – Solar & 12V Compatible
Universal DC to USB Charging Adapter – Power Your USB Devices Anywhere
Convert any DC power source — from solar panels to 12V vehicle adapters — into a reliable 5V 3A USB output. This compact adapter features a standard 5.5x2.1mm DC input connector and dual USB ports, letting you charge two devices simultaneously with ease. Whether you're on the road, off-grid, or setting up a remote installation, this adapter keeps your devices powered up wherever you are.
Key Features
- Wide Input Range: Accepts DC 6V–30V input, compatible with solar panels, 12V/24V vehicle systems, motorcycles, boats, and more
- Stable 5V 3A Output: Delivers a consistent, regulated 5V 3A USB output to charge phones, tablets, USB fans, USB lights, and other USB-powered devices
- Dual USB Charging: Charge two mobile devices at the same time — perfect for shared use in vehicles or remote setups
- LED Indicator: Built-in LED light shows power status at a glance
- 5.5x2.1mm Male Connector: Standard DC plug with inner positive / outer negative polarity for broad compatibility
- Scratch-Resistant & Dustproof: Durable construction designed to withstand varied environments
- Compact Cable: Approximately 25 cm (9.84 in) cable length for flexible placement
Specifications
| Input Voltage | DC 6V – 30V |
| Output | 5V / 3A (USB) |
| Connector Type | 5.5x2.1mm Male (DC input) |
| Polarity | Inner positive, outer negative |
| Cable Length | ~25 cm / 9.84 in |
| LED Indicator | Yes |
| Country of Origin | Made in China |
Compatible With
- Solar panels & solar power systems
- 12V / 24V vehicle, motorcycle, and boat power supplies
- DC power adapters (6V–30V range)
- Surveillance cameras, USB fans, USB lights, mobile phones, tablets
What's in the Box
- 1x DC 6V–30V to USB 5V 3A Adapter
Note: Due to screen differences, the item's color may vary slightly from the pictures. Please allow 0.5–2 cm differences due to manual measurement.
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Frequently Asked Questions
Q: What input voltage range does this DC to USB adapter support?
A: This adapter accepts a wide DC input range of 6V to 30V, making it compatible with solar panels, 12V/24V car and motorcycle systems, boat power supplies, and most standard DC power adapters within that range.
Q: How many devices can I charge at once with this adapter?
A: The adapter features dual USB output ports, allowing you to charge two devices simultaneously — such as two smartphones or a phone and a tablet — at up to 5V 3A total output.
Q: Is the 5.5x2.1mm connector inner-positive or inner-negative?
A: The connector uses inner positive (center pin positive) and outer negative polarity — the most common standard for DC barrel connectors, ensuring broad compatibility with solar charge controllers, security cameras, and other DC accessories.
Q: Can I use this adapter with a solar panel directly?
A: Yes — as long as your solar panel's output falls within the DC 6V–30V input range, this adapter will efficiently convert that power to a stable 5V 3A USB output suitable for charging phones, tablets, and other USB devices.
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.