Designed ForAcerAmps2.37AVolts19VWatts45WPin Size3.0mm x 1.1mmPower:  45W | Voltage: 19V | Current:  2.37AConnector Size: 3.0*1.1mmTechie charger for laptops offers efficient charging at home, in the office or on the go.Compatible Acer Laptop charger for Aspire, Cloudbook, Switch, Chromebook, and more models.Compatible Model NameAcer AK.045AP.061Acer AK.045AP.075Acer A13-045N2AAcer NT.L6SAA.005Acer Aspire R5-471TAcer Aspire R5-571TAcer Aspire R7-371TAcer Aspire R7-372TAcer Aspire S5-371Acer Aspire S5-371TAcer Aspire S7-392Acer Aspire V3-331Acer Aspire V3-371Acer Aspire V3-372Acer Aspire V3-372TAcer Aspire one Cloudbook 1-131Aspire one Cloudbook 1-131MAspire one Cloudbook 1-132Aspire one Cloudbook 1-431Aspire one Cloudbook 1-431MAcer Aspire Switch SW5-171Acer Aspire Switch SW5-171PAcer Aspire Switch SW5-173Acer Aspire Switch SW5-173PAcer Aspire Switch SW5-271Acer Aspire Switch SW7-271Acer Switch SW312-31Acer Switch SW312-31PAcer Switch SW512-52Acer Switch SW512-52PAcer Swift SF113-31Acer Swift SF114-31Acer Swift SF114-32Acer Swift SF314-51Acer Swift SF314-52Acer Swift SF314-52GAcer Swift SF314-54Acer Swift SF315-41Acer Swift SF315-52Acer Swift SF514-51Acer Swift SF514-52TAcer Swift SF514-52TPAcer SPIN SP111-32NAcer SPIN SP111-33Acer SPIN SP113-31Acer SPIN SP314-51Acer SPIN SP315-51Acer SPIN SP513-51Acer SPIN SP513-52NAcer Chromebook 11 C730 CB3-111 CB3-131 CB3-132Acer Chromebook 11 N7 C731 C732TAcer Chromebook 13 C810 CB5-311 CB5-311PAcer Chromebook 14 CB3-431Acer Chromebook 15 CB3-531 CB3-532Acer Chromebook R 11 C738TAcer Chromebook R 11 CB5-132T