[Product Specifications]Input: 100-240V 50/60Hz, Output:19V 2.37A 45W, Max Output Power:45W,Color: Black, Connector size:3.0*1.0mm,Power Plug Type: US Plug.This charger not fit 5.5*1.7mm.Pls Confirm thetip size of your original adapter. [Compatible with Model]Acer Aspire 3 A315-23G A315-23G-R2K0,Acer Aspire 3 A315-23 A315-23-A0Y5 A315-23-R11P A315-23-R1K8 A315-23-R35R A315-23-R4PF A315-23-R5DZ A315-23-R63B A315-23-R73E A315-23-R7C5 A315-23-R7S8 A315-23-R7XD A315-23-R8GY A315-23-R8MQ A315-23-R8VS A315-23-R98U. [Compatible with Model]Aspire 5 A514-53 A514-53G A514-53G-58AL A514-53G-59JK A515-55-55NQ NX.HSMCF.007 Aspire 3 A315-34-C604 NX.HG9CF.009 A315-34-P37W NX.HG9CF.002 Aspire One Cloudbook AO1-131M AO1-132. [Multiple Protection]Built with Industry grade materials and premium circuitry, Internal smart circuit keeps you and your device safe with multiple protections, including over current protection, over voltage protection, short circuit protection, over heating protection, over