Connector Size: 5.5mm 2.5 mm Input: AC 100-240V 50-60Hz; Output: DC 20V 3.25A 65W Compatible with: IdeaPad G230 G430 G530 U110 U310 U350 U410 Y300 Y310 Y330 Y410 Y450 Y510 Y550 Z570 Z580; Notebook B450 B460 B470 B475 B560 B570 B575 E49 G460 G470 G475 G480 G485 V470 V560 V570