Addon 648964-001-AA 135W 19V at 7.1A Black 5.0 mm x 7.4 mm Laptop Power Adapter and Cable 

Dell 648964-001 Compatible 135W 19V at 7.1A Black 5.0 mm x 7.4 mm Laptop Power Adapter and Cable - 19 V DC/7.10 A Output ...