For HP Pavilion HDX18 Adapter is rated at 18.5V 6.5A 120W.The high quality laptop charger for hp pavilion hdx18 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!New Replacement For HP Pavilion HDX18 18.5V 6.5A 120W AC Power Adapter With Power Cord.The Adapter is a 120W rated power supply and replaces hp pavilion hdx18 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.Always put first the DC output plug into the laptop’s power jack before putting the input plug on the power outlet. This is the correct method.Avoid the metal tip of the adapter from getting in contact with other metal objects because it can cause short-circuiting. Your laptop might get damage when a short-circuited charger is used.Keep your adapter in a dry place with room temperature. Just like other electronic devices, adapter can get damage cause by high temperature.