Auto-rest 90W, AC/ DC input mode option, can used in wide range ( such as indoor, automobile, airplane, and boat) With high efficiency and true voltage output automatically ( without operation by hand) Input Voltage: AC 110 – 240 V Output voltage: DC15 – 20V Output current: 15V 6A 16V 5.6A 18.5V 4.8A 19V 4.7A 19.5V 4.6A 20V 4.5A