Input ： AC 100-240V, 1.5A, 50-60Hz/output: 16.5V, 3.65A. | Note:This is the first generation of charger, not the second. Knowing which Mac notebook model you have is important. Please check clearly before buying. | Replacement charger AC adapter for notebook Pro 13" Inch before Mid 2012 | Safety: advanced technology and certificated with UL/CE/FCC/RoHS standard, can protect your equipment from over current, over voltage, over load, short-circuit | If anything goes wrong with the item, please send email or contact us. We will reply you within 12 hours

Input: AC 100-240V, 1.5a, 50-60Hz/output: 16.5V, 3.65a | Universal adapter before Mid 2012 for Mac book Pro 13" Inch | Safety: advanced technology and certificated with UL/CE/FCC/RoHS /UL standard, can protect your equipment from over current, over voltage, over load, short-circuit | Note: This is the first generation of power adapter, not the second. Knowing which specific Mac notebook model you have is important. Please check clearly before buying. Satisfaction and backed by a lifetime replacement | Satisfaction GUARANTEED: Our product have CE/FCC/RoHS /UL certified, We will provide once Year Warranty and 24hours friendly customer service.Satisfaction GUARANTEED: Our product have CE/FCC/RoHS /UL certified, We will provide once Year Warranty and 24hours friendly customer service BOBforyou