It is a 18W DC 12V Power Supply Module/Charger, Input voltage: AC 110V~240V, 50/60Hz, Output voltage: DC13.5V 1.5A, It has small size, high efficiency, long term stable and reliable quality,easy installation and use, Application:Suitable for DIY an UPS Power Supply Module, Charging module, Industrial equipment Voltage convert, Power Supply Transformers, Laptop Power Supply, Batteries Buck, Car Power Supply, LED drive,Advertising screen,Monitoring System etc