Replacement For HP 391173-001 Adapter is rated at 19V 4.74A 90W.The high quality laptop charger for hp 391173-001 provides your laptop with safe and reliable power.It is over Charge protection, Voltage protection, Temperature protection, Short circuit protection, enjoys 1-Year Warranty,60-Day Money Back.The Adapter is a 90W rated power supply and replaces hp 391173-001 laptop charger. Designed to meet HP’s original specifications. The Replacement HP AC Adapter is designed to be 100% manufacturer compatible and will meet OEM specifications.Welcome to replacement laptop AC power adapters online store.Replacement HP Laptop AC Adapters and Power Supply for Notebook Computers.Replacement laptop AC adapter is guaranteed to meet or exceed original HP laptop AC adapter.Full 2 hours burning test; 3 times quality check and 2 times drop test by QC before package.Warranty and Guarantee: 1 year warranty, 60 days money back.