Switch to 48V DC 12V booster, this product is imported high-power integrated switching regulator module as the core, can unstable 10-16V DC power is transformed into a stable 48V DC power supply output. With input over-voltage, output over current, over temperature, output short-circuit protection function automatically, and resume normal work after a failure to eliminate. Particularly suitable for emergency charging laptop, car headlights credit, car audio, LCD TV, intercom, control systems and mechanical equipment use.