This high quality replacement Lenovo ADP-90DD B Laptop AC Adapter will get your laptop up and running the right way at the very best price. It is safe with overvoltage, shortcircuit and overcurrent protection. It is sturdy and well built as it is made from the highest quality parts and first class worksmanship.Replacement For Lenovo ADP-90DD B Adapter is rated at 20V 4.5A 90W.The high quality laptop charger for lenovo adp-90dd b 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 lenovo adp-90dd b laptop charger. Designed to meet Lenovo's original specifications. The Replacement Lenovo AC Adapter is designed to be 100% manufacturer compatible and will meet OEM specifications.