Additional Details ------------------------------ Specification met: Special feature: System building block accessory Performs to the same specifications as the standard AC adapter that ships with the notebooks Energy efficient with Energy Star V (ES 2.0) Compatible with 2013 Lenovo notebooks with rectangular slim tip common power plug Not compatible with legacy notebook systems with the round, barrel-type power plug Compatible devices: B40-30, B40-70, B40-80, B50-30, B50-70, M5400, ThinkPad 11, 11e Chromebook, Thinkpad 13, ThinkPad E45X, E46X, E470, E540, E56X, E570, L460, L540, L560, P40 Yoga, P50, T440, T450, T460, T540, T550, T560, W550, X1 Carbon, X1 Yoga, X250, X260, ThinkPad Yoga 11, 11e Chromebook, 12, 14, 15, 260, 460