Voltage converters built in over low voltage protection, auto shut off if the battery voltage is lower than 14.4v, protect your 12V devices from over power. Max output current 12V/15A Compatibility: Step down DC voltage converter works for Ryobi 40V Li-ion battery Up to 95% Power Conversion Efficiency: Adopt Synchronous Rectification Technology to improve conversion efficiency, Maximum Efficiency:≥95%; Ripple Wave: 50Mv; Starting delay time:≤2S High quality material & Safe to use: The voltage regulator is made of high quality chip and high quality plastic, stable and safe. Mellif voltage regulator provides over/under voltage input, overload, overhead, and short circuit full protection. Widely Application: power 180w, widely used in motor, dashcam, car truck, golf cart, led strip light, electric fan, camera, light ,screen, monitoring system, and DIY etc. Motor:180 W Voltage: 18V Output Voltage: DC 12V (FIXED OUTPUT) Output Current: 15A(MAX) Output Rated Power: 180W Efficiency: 97% (half load); 95% (full load)