This original Lenovo adapter is compatible with 40Y7696; 40Y7697; 40Y7698; 40Y7699; 40Y7700 (see compatibility list for more models). Original adapters will provide reliable charging time-and-time again while offering the highest safety standards. For more information please visit Arclyte.com. Don't be fooled by low quality charging products that leave you with inconsistent performance and can even damage your laptop. You can feel confident that your new Arclyte product will be a high quality power solution that not only optimizes value for your budget, but also enables you to optimize productivity during travel, at home, or at school.