Universal Laptop Charger 90W AC Adapter with 11 Tips for Dell Lenovo Acer Toshiba Samsung HP Asus Sony Fujitsu Gateway Most Compatible Compatibility: Lenovo, Acer, Toshiba, Dell, Samsung, HP, Asus, Sony, Compaq, Fujitsu and Gateway most compatible models.Referring to the third and the fourth picture for the specific laptop model. Worldwide Input: 100-240V 50/60Hz; Output: 15V/16V/18.5V/19V/19.5V/20V, Max 90W Multiple Safety Protections: Over Current, Over Voltage, Over Heating and Short Circuit IF YOU ARE NOT SURE YOUR LAPTOP TIP SIZE, please send your laptop brand and model number to us before buying, we will give you suggestions. WARRANTY:18 month warranty,100%satisfaction guaranteed and good customer service,if have any problems please contact us anytime for your no hassle refund.