This Dell adapter is compatible with 310-0556; 310-1093; 310-1461; 310-1650; 310-2993 and has been carefully crafted with premium grade components to meet or exceed the performance of your original adapter. Our adapters are assembled in ISO certified factories (9001: Assembly, 14001: Environmental) as do a selection of our charging products carrying all of the major safety and quality certifications worldwide (UL, CE, GS, etc.). 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 adapter 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. A00007