... 19, 20,22,24v Multifunctional 90w Automatic Universal slim ac adapter for laptopAuto voltagel Home/office use, with USBl Maximum input voltage: 11 ... 24V), 90Wl Overload and short circuit protectionsl With eight piece tip connectorsl With pulse width modulation (PWM)l Inner ... with select notebooks from Dell, HP, Compaq, Gateway, Sony, Toshiba, Acer, Fujitsu, IBM, Lenovo, and morel 100% automatic ...