Change battery on Apple TV remote 4 Generation
How do I change the battery on the remote of the Apple TV 4th Generation device?
AppleTV 2, iOS 10.1.1
How do I change the battery on the remote of the Apple TV 4th Generation device?
AppleTV 2, iOS 10.1.1
If you mean charge then you simply use the supplied usb to lightning cable to connect to a computer or wall charger and wait a few hours for it to complete.
You can't change the battery, if there is an issue then you need to describe so someone can help further.
Change battery on Apple TV remote 4 Generation