Output Max: 20V 2.25A 45W / Input Volt Range: 110-240V / Tip Size: 4.0mm * 1.7mm (Do not buy if your laptop requires more than 2.25A) Compatible with Ideapad 100 100S Series 100-15IBD (not compatible with 100S-11IBY); Ideapad 110 110S Series 100S-14IBR 110-15ACL 110-15ISK 110-15IBR (80T7); Ideapad 120 120S Series; Ideapad S145 Series S145-15AST S145-15API, S145-15IWL; IdeaPad 310 320 320S 330 330S 510 520 710S Series; Yoga 710 Series 710-15ISK; Flex 4 Flex 5 1470; Part numbers ADP-45DW BA ADP-45DW C ADL45WCC PA-1450-55LL 80TJ 81N3 81H5 81VS 81WA 81SS and others Features: Strong, durable construction and compact design. Charges your device at maximum current and full speed. Charging will automatically stop when the battery is full Please note: The interface of this product is 4.0X1.7 mm, which is only suitable for laptops with 4.0X1.7 mm Cannot use laptops with yellow square tip, 3.5X1.35 mm cylindrical shape, and USB Type-C interface Multi-protection: built-in current protection