Need an AC adapter for Panasonic Laptops/Notebooks with the following model numbers: Toughbook Series? BTI has you covered with our premium 16V, 90W replacement power adapter. This product has been engineered to meet or exceed the original manufacturer's specifications and replaces the original Panasonic part numbers CF-VZSU45, CF-VZSU45U. All BTI power adapters are manufactured and tested under our stringent quality standards and come with an industry leading 24 month manufacturer's warranty. BTI... True to the original.