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: converter works with 18V - battery(Battery NOT Included). We focus on providing tools. You can save money on the battery and charger if you already have Up to 95% Power Conversion Efficiency: Adopt Synchronous Rectification Technology to 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. 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, vehicle, golf cart, light, electric fan, camera, light ,screen, monitoring system, solar pad and DIY etc. Material: plastic+metal colour: black Package Contents: 1 x voltage regulator for MILWAUKE18V(No Battery) 1 x Voltage Reducer Converter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.