12V/24V to 5V 30A 150W DC Step-Down Module – IP68 Waterproof
12V/24V to 5V 30A DC Step-Down Power Supply Module – 150W, IP68 Waterproof
Power your 5V devices reliably from any 12V or 24V DC electrical system. This compact 150W DC-to-DC step-down converter delivers a stable 5V/30A output with over 93% conversion efficiency — making it the ideal solution for cars, trucks, RVs, boats, and other 12V/24V vehicle or marine electrical systems.
Key Features
- Universal 12V/24V Input: Seamlessly converts standard automotive and marine DC power to a clean, stable 5V DC output.
- High 30A / 150W Output: Handles demanding loads — perfect for powering USB hubs, LED strips, navigation systems, dashcams, and more.
- 93%+ Conversion Efficiency: Minimizes energy loss and heat generation, keeping your electrical system running efficiently.
- IP68 Waterproof Rating: Fully sealed metal housing withstands dust, water immersion, and harsh environments — ideal for marine and outdoor installations.
- Wide Operating Temperature: Functions reliably from -40°C to 85°C, making it suitable for extreme cold or heat.
- Multi-Layer Protection: Built-in short-circuit, over-current, over-voltage, and over-temperature protection ensure safe, worry-free operation.
- Natural Cooling: No noisy fan required — passive cooling keeps it whisper-quiet.
- Compact & Easy to Install: Measures just 74 × 74 × 32 mm with 13–14 cm integrated cables for straightforward installation in tight spaces.
Technical Specifications
| Input Voltage | 12V DC / 24V DC |
| Output Voltage | 5V DC |
| Output Current | 30A |
| Output Power | 150W |
| Conversion Efficiency | >93% |
| Waterproof Rating | IP68 |
| Operating Temperature | -40°C to 85°C |
| No-Load Regulation | ±1% |
| Load Regulation | ±5% |
| Static Power Consumption | 15 mA |
| Cooling Method | Natural (passive) cooling |
| Material | Metal |
| Dimensions | 74 × 74 × 32 mm |
| Cable Length | 13–14 cm |
| Country of Origin | Made in China |
What's in the Box
- 1 × DC Step-Down Power Supply Module (150W, IP68)
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Note: Actual color may vary slightly from images due to monitor settings and lighting conditions. Please allow ±2 mm deviation for manual measurements.
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Frequently Asked Questions
Q: Can this DC step-down module be used on both 12V and 24V vehicle systems?
A: Yes. This DC-to-DC converter accepts both 12V and 24V input, making it compatible with standard car, truck, RV, and marine (boat) electrical systems. The output is always a stable 5V regardless of the input voltage.
Q: Is this power supply module truly waterproof for marine or outdoor installations?
A: Absolutely. The module carries an IP68 waterproof rating, meaning it is fully sealed against dust ingress and can withstand continuous water immersion. This makes it an excellent choice for boat, marine, and outdoor vehicle installations exposed to rain or splashing.
Q: What devices can I run with a 5V 30A 150W output?
A: A 5V/30A output can power a wide range of 5V devices simultaneously, including USB charging hubs, LED strip lights, dashcams, GPS navigation units, Raspberry Pi setups, and other low-voltage electronics commonly used in vehicle builds and DIY projects.
Q: Does this module require active cooling such as a fan?
A: No. It uses natural (passive) cooling and does not require a fan, resulting in completely silent operation. The metal housing acts as a heat sink, and its 93%+ efficiency means very little energy is wasted as heat during normal operation.