This document discusses replacing the AC adapter for a Dell Inspiron 1520 laptop. It provides details on a new high quality replacement AC adapter that has no memory effect and provides extended runtime. The adapter is individually tested and comes with a one year warranty. It also lists other Dell laptop models whose batteries can be found on the site, including the Inspiron 6400, 1420, 1501, and 1525. The document concludes by providing steps for replacing an AC adapter, which include checking the input and voltage requirements and ensuring the adapter has the proper wall plug.