The ThinkPad 65 W AC Adapter is ultra-portable, ensuring your system need never be without power. It is the smallest adapter currently available from Lenovo and performs to the same specifications as the standard AC adapter that is supplied with compatible ThinkPad and Lenovo systems. It is designed for older-generation ThinkPads with the round-barrel tip. Each adapter is safeguarded by a one-year warranty from Lenovo, providing renowned service and support.