Certifications: Tested to UL60950-1: 2007 (USA), CAN/CSA-C22.2 NO. 60950-1-07 (Canada), FCC Class A Part 15 (Emissions), NOM (Mexico), RoHS Compliant, TAA Compliant
Compatibility: Compatible with the following 65w and 90w DualCore ThinkPad Models with Integrated Graphics: ThinkPad 20AQ, L440, L450, L460, L540, L560, P50s, T440, T440p, T440s, T450, T450s, T460, T460p, T460s, T540p, T550, W550s, X240, X250, X260.
NOT recommended if the system AC adapter is 170W.