The thinkpad and lenovo 65w ultraportable ac adaptor packs all the power you need into less spacethe thinkpad and lenovo 65w ultraportable ac adaptor performs to the same specifications as the standard ac adaptor that ships with select thinkpad and lenovo systems it is the smallest adaptor currently available from lenovo get power when and where you need it with a spare ac adaptor keep one in the office one at home and another in your carrying case for convenient access to power wherever a