Morange Replacement for Mac Pro Charger 85W Power Adapter MacBook A1150, A1175, A1189, A1297, 15-17inch. Input: 100 - 240V, 50-60Hz output: 18.5V 4.6A (85W) Compatible For MacBook Pro 15 Inch before Mid-2012 series; For MacBook Pro 17 Inch before Mid-2012 series; Part Number: A1286, A1211, A1290, A1297, A1226, A1175, A1150, A1343, A1229, A1151, A1172, A1222, A1212 Magsafe2 connector & LED light: The magnetic DC connector makes it easy to disconnect the cord If someone should trip over it, and also helps prevent fraying or weakening of the cables over time. An amber light lets you know that your notebook is charging while a green light tells you that you have a full charge Protective function: Replacement chargers manufactured with the highest quality materials and include multiple smart features safeguarding against over current, over voltage, over load, temperature protection, short-circuit protection and auto recovery, CE/FCC/RoHS certified. Note: This is the first generation of power adapter, not the second generation ; Knowing which specific Mac model you have is important. Please Check Clearing Clearly Before Buying. Satisfaction guaranteed and backed by 18-month worry-free product warranty and friendly customer service. If you have any questions, don't hesitate to contact us!