CUGLB 85W "L" Shape Universal AC Power Supply Computer Adapter for Apple 13 15 and 17inch MacBook Pro A1151 A1172 A1189 A1211 A1278 A1281 A1286 A1222 A1343 AC Input: 100-240V~ 50-60Hz 2A, DC Output:18.5V-4.6A (85W), the plug cable is about 150cm for MacBook Pro A1151 A1172 A1189 A1211 A1278 A1281 A1286 A1222 A1343 L-shape connector provides for a low profile while charging your laptop Satisfaction guaranteed and backed by a one year replacement warranty, no-reason refund or return policy. any questions, please feel free to contact us. Proper way to use an adapter:First, connect the adapter with your computer, and then connect the adapter with the socket.