??Product Information?Input: 100-240V 50-60Hz worldwide. Output: 15V 16V 19V 19.5V 20V, 4.5A 90W, 65W, 45W. You can power laptops of different brands with just one laptop power cable. Not compatible with devices with a voltage greater than 90W. ??Wide Compatibility?This universal adapter contains 15 optional tips, suitable for most laptops, ThinkPad, Chromebook, Ultrabook and so on. Including HP Lenovo ASUS Toshiba Acer Dell Samsung Fujitsu Gateway MSI IBM, etc.(???Attention: Don't fit any USB-C laptop!) ??Wide Compatibility?(The specific model is below. "Ctrl+F" can quickly find it ) HP Pavilion G4 G6 G7 G42 G50 G71; HP Stream 11 13 14 Spectre x360; HP Compaq 6510B 6515B 6720T 6730B 6730S; HP EliteBook 745 G2 820 G1 840 G1 850 G1; HP Probook 4420S 4430S 4440S 4510S; Ideapad Flex 2 3 14 15 Yoga 11 11S 13; ThinkPad L440 L450 L540; Dell Vostro 14 15 XPS 11 12 13 9350 9360 9365 9370; Dell Inspiron 11 12 13 14 15 17; Dell Latitude 12 7202 13 3379 7350 14 E5450. ??Wide Compatibility?HP Spectre X360 Elitebook Probook || Lenovo ThinkPad T431s, T440, T440s, T450 || Dell Inspiron 15-3000 5000 7000 14-5000 7000 Series || Asus VivoBook E402S E402SA E402NA E402N E402M E402MA E402WA E402W E402YA E402Y || ZenBook UX310U UX310UA UX310 UX305C UX305CA UX305L UX305LA || Acer Aspire 3 A315 A315-21 A315-31 A315-51A315-21G A315-52 A315-41 || Acer Aspire 5 A515-44 A515-44-R2SA A515-54 A515-44-R41B ?????Customer Service?Customers come first, NATNO focuses on providing high quality laptop chargers and excellent customer service. You can consult the computer model via email 24 hours. We will take care of your problem in time.