Need an AC adapter for Universal Laptops/Notebooks? BTI has you covered with our premium replacement power adapter. This product has been engineered to meet or exceed the original manufacturer's specifications and replaces the original Universal part numbers 463953-001, 519331-002, HP-OW120F13. 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.