45W Charger Acer Chromebook Laptop for Acer Extensa 15 Acer Chromebook 14 CB3-431 CB3 CB5 CB3-532 11 13 15 R11 A11-065N1A N16Q1 N15Q9 C731 C738T N15Q8 CB3-131 Adapter Power Supply Cord (45W 3.0*1.1mm)