State the reason you wish to close your account. If you have a copy of the EIN Assignment Notice that was issued when your EIN was assigned, you should include that when you write. Otherwise, be sure to include the complete legal name of the entity, the EIN, and the mailing address.
After all, if your iPad doesn't have any power, it doesn't work. The iPad's battery is generally pretty good, but if your battery is starting to fail, you've got a problem. You can't easily swap out a failing battery for a new one because Apple designs its products with solid cases.
As the post went on a couple people that were using the iPad charger on their iPhone ruined their iphone battery. Once these people started posting that these people stopped with their stupid replies. the reason volts, watts, and amps are put on chargers are for a reason or else why would they put them on.