KP.0450H.001 Compatible Models: Acer Chromebook 11 CB3-111, 13 CB5-311, Acer Aspire V3-3x1, C730E,C731,C738T, TMP 236-M, TMP 238-M, TM B117, TM X349, R13 (SKI 2), Switch Alpha 12. also R7-371T & Aspire One AO1-131, Chromebook C731 19V 2.37A - 45W 1.1 x 3.0 x 7.5 mm tip Needs clover power adapter CA5355