Pwr Adapter 7.4x5.0mm to 4.5x3.0mm Tip Connector Converter K0Q39AA for Hp Pavilion Envy Elitebook Probook Spectre Compaq Presario Dongle Barrel FEATURES / POWER SPECS : PWR+ Adapter Converts Any Laptop Charger with 7.4x5.0mm Connector to 4.5x3.0mm Type WARRANTY: 30 Days Refund - 24 Months Exchange. PWR+ is WA, USA based company. We are friendly Customer Support Experts SAFETY: Light-Weight and Solid Constructed Plastic from Stain and Warm Resistant Materials. Pwr+ chargers and cords manufactured with the highest quality materials and include multiple smart features safeguarding against IV - incorrect voltage, SC - short circuit, IO - internal overheating. CE/FCC/RoHS certified. CONVERTER INPUT COMPATIBILITY: HP Pavilion, HP Envy, HP Elitebook, HP Probook, HP Compaq, Compaq Presario - 7.4x5.0mm pin adapter CONVERTER OUTPUT COMPATIBILITY: HP Pavilion, HP Envy, HP Elitebook, HP Probook, HP Stream, HP Spectre, HP Sleekbook - 4.5x3.0mm pin adapter; P/N 788089-001, 762495-001