400WDC-DC High-Power Constant Voltage Constant Current Boost Power Module
$29.8
$50.96
Applications: DIY a power supply, 12V input, and output 12-50V adjustable. The power supply for your electronic device, according to your system can set the output voltage value. As the car power supply for your laptop, PDA, or a variety of digital products supply. DIY a mobile notebook power supply: 12V coupled with a high-capacity lithium battery pack. Driving high-power LED lights.
