Product details:

Manhattan 101639 automatic adjustable voltage notebook power adapter, 70w - automatically selects among 6 voltage output levels to provide a broad mobile power solution - from 15 to 20 v give mobile computing a boost with reliable, high-performance power when and where its needed. Nine dc output plug tips match popular acer, asus, compaq, dell, fujitsu, gateway, hp, sony, toshiba, ibm/lenovo and more. Automatic voltage detection and adjustment removes the guesswork and reduces the risk of damage to sensitive mobile computers and other portable devices. Ideal for power supply replacement, upgrade or spare power needs.