Specification: Input:AC 100-240V,50-60Hz 1.8A;Output:20V-8.5A,Max Power: 170W Max. Connector: Square Tip. What's in the Box: 1x AC adapter & 1x AC power cable with 170W computer power cord Compatible With Lenovo ThinkPad X1 Extreme P1 P50 P51 P52 P53 P70 P71 P72 P73 P16 P15 T15g P17 P16v T15p P15v W540 W541 W550s ThinkBook 15p IMH/G2 ITH IdeaPad Pro 5 16IMH9 16AHP9 16APH8 16IRH8 Yoga Pro 9 16IMH9 16IRP8 Yoga AIO 7-27 All-in-One Slim 7 16IAH7 16ARH7 Yoga Slim 7 Pro 16IAH7 16ACH6 16ARH7 15IMH05 15IMH05 Yoga Creator 7-15IMH05 IdeaPad Gaming 3-16 3-15 ideapad 700-15ISK 700-17ISK Y700-14ISK Y700-15ISK Y700-15ACZ Y700-17ISK S740-15IRH ideapad 5 Pro-16ACH6 16IAH7 16ARH7 ideapad Creator 5-15IMH05 16ACH6 Y50-70 Y50-80 Y70-70 Y70-80 Touch Yoga 9-15IMH5 Yoga C940-15IRH ideapad L340-15IRH L340-17IRH Gaming Laptop Compatible With Lenovo Legion Y530-15ICH Y530-15ICH-1060 Y540-15IRH-PG0 Y540-17IRH-PG0 Y545-PG0 Y720-15IKB Y730-15ICH Y730-17ICH R720-15IKBN R720-15IKB Legion 5 15IRX10 15ARH05 15IMH