The Adapter is a 65W rated power supply and replaces lenovo thinkpad helix 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.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.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.Brand New Replacement For 65W 20V 3.25A Lenovo ThinkPad Helix AC Adapter/Power Supply/Charger With Laptop Cord.Replacement For Lenovo ThinkPad Helix Adapter is rated at 20V 3.25A 65W.The high quality laptop charger for lenovo thinkpad helix 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 Lenovo ThinkPad Helix 20V 3.25A 65W AC Power Adapter With Power Cord.