apple doesnt even sell parts for there devices they are only worried about selling the device not maintaining it they want you to purchase the next gen one. kinda feels like they Produce them with a limited life span it seems like to encourage this
sounds like something got into the charging port and is causing a short which would drain your battery would probably be good idea to clean port and replace battery
Once they have, you'll be able to view a graph of their reputation gained over time.
Here's a preview of what the graph will look like:
No reputation gained yet.