20V 3.25A for ThinkPad T440 T440p T440s T431s T540p Charger Power Adapter
Adapter Output: 20V 3.25A. Type: Laptop AC Wall Plug Adapter. Adapter Input: 100-240V~1.5A 50-60Hz. Laptop adapters from various other adapter manufacturers can be used as long as the specifications are similar to the existing adapter.