Specifications: acer laptop charger, Input: 100-240V, 50-60Hz,Output: 19V 3.42A 65W (Also Compatible with 19V 2.37A 45W),Connector Size:3.0*1.1mm(Refer to the picture!Please check it!!!)Package:1 X 65W laptop charger, 1 X ac power Cord, 1 X product manuals;(ATTENTION Two different charger fit the A13-045N2A model, they just have different tip, The one we sold is 3.0*1.1mm, which is small tip. Another one is 5.5*1.7mm which is bigger than we sold, if you couldnt confirm, please send message to me with photo, i will judge it for you.Customer Questions: Any questions you can contact with us, we will respond within 24 hours) Compatible Models: For Acer replacement laptop charger A13-045N2A, ADP-45FE F, ADP-45HE B, A18-045N2A, PA-1450-26, A11-065N1A,for acer aspire 3 5 charger,for Acer N20C5 charger,for Acer Chromebook 13 14 15 C810 CB5 CB3-431 C910 CB3 CB3-532 CB5 CB5-571 C720 C720p C740 Model N15Q8 N15Q9 N16P1 C738T C740 chromebook charger,Aspire P3 P3-131 R14 R5-471T S7 S7-191 S