Get the 775626-003 776620-001 19.5V 7.7A AC Power Adapter for your HP laptop at a discounted price. This power adapter is compatible with various HP laptop models, including TPN-DA03, Q173, Q174, ZBOOK 15 G3 G4, OMEN 15, and PAVILION 15T. It features a durable construction, easy plug-and-play design, and compact size for convenient use and transportation.