INPUT: AC 100-240V, 50-60Hz; Output: DC 18.5V-4.6A Perfect Compatibility: 85W Charger Compatible for a variety of models including MB990, MB991, MC118, MC700, MC724, MC374, MC375, MD101, MD102, MD313, MD314, A1172, A1297, A1290, A1296, A1286, A1260, A1229, A1226, A1211, A1151, and A1150 Compatible with Mac Book Pro: 15/17 inch Mac Book Pro laptops(before 2012). Mac Book Pro (13-inch, Mid 2012), Mac Book Pro (13-inch, Late 2011), Mac Book Pro (13-inch, Early 2011), Mac Book Pro (13-inch, Mid 2010), Mac Book pro(13-inch, Mid 2010), Mac Book pro(13-inch, Late 2009) Certified Safety: Our charger is CE/FCC/ROHS certified, ensuring that you can use it safely and securely. It is made of PC environmentalprotection fireproof material, which is very sturdy and durable. The durable power cords remain intact and safe even after 20,000 repeated bends and multiple uses 𝐍𝐨𝐭𝐞: Not compatible with the 𝟐𝟎𝟐𝟏–𝟐𝟎𝟐𝟓 𝐌𝟏, 𝐌𝟐, 𝐌𝟑, 𝐌𝟒 Series, Not compatible with the macbook(𝐁𝐞𝐭𝐰𝐞𝐞𝐧 𝟐𝟎𝟏𝟐-𝟐𝟎𝟏𝟖 𝐌𝐨𝐝𝐞𝐥𝐬). Mac book pro Charger 85W Magnetic 1st-Gen L-Type Power Adapter Compatable with: Mac Book Pro (15-Inch, Mid 2009) Mac Book Pro (17-Inch, Mid 2009) Mac Book Pro (17-Inch, Early 2009) Mac Book Pro (15-Inch, Late 2008) Mac Book Pro (17-Inch, Late 2008) Mac Book Pro (15-Inch, Early 2008) Mac Book Pro (17-Inch, Early 2008) Mac Book Pro (15-Inch, 2.4/2.2 GHz) Mac Book Pro (17-Inch, 2.4 GHz) Mac Book Pro (15-Inch, Core 2 Duo) Mac Book Pro (17-Inch, Core 2 Duo Mac Book Pro (15-Inch, Mirror Surface) Mac Book Pro (17-Inch) Mac Book Pro (15-Inch, Mid 2012) Mac Book Pro (15-Inch, Late 2011) Mac Book Pro (17-Inch, Late 2011) Mac Book Pro (15-Inch, Early 2011) Mac Book Pro (17-Inch, Early 2011) Mac Book Pro (15-Inch, Mid 2010) Mac Book Pro (17-Inch, Mid 2010) Part number: A1286 / A1211 / A1290 / A1297 / A1226 / A1175 / A1150 / A1343 / A1229 / A1151 / A1172 / A1222 / A1212 SPECIFICATIONS: Input: AC 100-240V,1.5A 50-60Hz; Output: DC 19V 4.7A 85W The difference between the Magnetic 1 and Magnetic 2 Magnetic 1：the middle pin that is smaller than other 4 pins Magnetic 2：5 pins are the same size. LED Indicator，When the connection is secure, an LED located at the head of the DC connector lights up; an amber light lets you know that your notebook is charging, while a green light tells you that you have a full charge. An AC cord is provided with the adapter for maximum cord length, while the AC wall adapter (also provided) gives you an even easier and more compact way to travel. What is our 85w power adapter L-type protection: Built-in over current, over voltage, over temperature and over power protection. Tips: 1. Check the MODEL NUMBER on the back of your Mac Book; 2.“CTRL + F” to find the model; 3. Check the Rated Voltage and Current if it is the same with your MAC.