["WIDE APPLICATION: The 19V 3.42A universal ac power supply converter it can work for 19V (65W power max) most laptops Chromebooks Ultrabooks. such as 19V HP Toshiba Lenovo Acer ASUS Gateway laptop etc." WORLDWIDE INPUT VOLTAGE: AC 100 - 240Vac 50/60Hz Output Voltage: DC 19V Max Current 3.42A Max Wattage 65W. Plug and play Easy to use. SAFE SWITCHING ADAPTOR: CE FCC UL GS KC PSE CCC SAA and more Certification. Shortage Protection Overload Protection Over Voltage Protection. No need to worry about any fires explosions or shocks occurring. DC OUTPUT JACK SIZE: A 6.5*4.4 mm D 5.5*2.1 mm E 5.5*1.7 mm F 4.8*1.7 mm 4.5*3.0 mm G 4.0*1.7 mm H 5.0*3.0mm j 4.0*1.35 mm J 7.4*5.0mm L 3.0*1.1mm. Please confirm your device can fit the connector. NOTE: Please be sure to confirm the above DC interface size whether it includes your equipment DC interface size. If in doubt please contact us . Thank you! AFTER-SALES GUARANTEE: If you are not satisfied with the productYou can always get in touch with usWe will refund the whole money or send a new as a replacement to you.]