Brand New Replacement 65W Asus Pro Series B9440UA AC Adapter/Power Supply/Charger With Laptop Cord.Replacement For Asus Pro Series B9440UA Adapter is rated at 5V 3A 9V 3A 12V 3A 15V 3A 20V 3.25A.The high quality laptop charger for asus pro series b9440ua 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 65W rated power supply and replaces asus pro series b9440ua laptop charger. Designed to meet Asus’s original specifications. The Replacement Asus 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.Keep your adapter in a dry place with room temperature. Just like other electronic devices, adapter can get damage cause by high temperature.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.