Key Specifications/Special Features: Input voltages: 11 to 15V DC (worldwide use) Switchable voltage options: 19V/1.58A (HP), 19V/2.1A (Samsung), 19V/1.58A (Dell) or 20V/2A (Lenovo) USB: 5V/2A With OCP/OVP/SCP/OTP protections Efficiency: >87% (typical) Choose the intechangeable smart tip according to output voltage Power: maximum of 40W Correlative information: Function: overload, over-voltage and short-circuit protections EU, Australian, British and the US regulations for the arbitrary choice of client With CE, CB, FCC, SAA, RoHS and CCC marks (certificates and test reports are available) After-sale services, guarantee replacement within three months and full 12 months guarantee repair Fit laptop models: Asus, Averatec, Compaq, Dell, Fujitsu, Gateway, HP, IBM, NEC, Panasonic, Sony and Toshiba Fit devices: mobile phones, camera, LCD, game players and others All trademarks shown here are for reference purposes only. They are the property of their respective owners, and we are not authorized to sell items bearing such trademarks.