Input: 100 to 240V AC,1.0-0.6A, 50 to 60Hz (worldwide use)
Output:DC20V 8.5A 180w
Connector:specail pin (show as picture)
packing: :1piece for thinkpad t540p t440p adapter charger with US cable
170W 20V8.5A Ac Power Adapter For Lenovo ThinkPad W520 W530 Laptop Charger