UpBright 19V AC/DC Adapter Replacement for Acer Chromebook 11 N7 C731-C8VE R11 C738T CB5-132T 13 CB5-311 Switch 12S SW7-272 Swift 1 3 5 SF114-31 SF314-51 SF514-51 Spin 3 5 11 SP315-51 SP513-51 R751T