Specifications:.Input:100/240V 50- 60HZ.Output:20V, 2.37A 3.0mm*1.0mm.Compatible P/N: A13-045N2A A11-065N1A PA-1450-26 N15Q9 N15Q8 N16P1 R11 15 14 13 11 CB3-532 CB3-131 CB5-132T CB5-571 C720 C740