... max,with many protecition functions ,use for the laptop.3. Rated input voltage AC110V or AC 240V4 ... regulations:1%9. Load regulation:1%90W Universal Laptop AC Adapter1) This model is an universal switching- ... almost Laptops,select output voltage to suit to Laptop and make sure the polarity oftips connect ... almost Laptops,slect output voltage to suit to Laptop and make sure the polarity oftips connect ...