Just under two weeks ago, the noticed that Smart Battery Case for iPhones 6s it was arriving in Brazil and it will cost R $ 799 here. The product is still unavailable for purchase, which is why it was not released by the National Telecommunications Agency.
Because she left today. Here is the Technical Compliance Certificate issued by Anatel for the A1585 model:

Here, photos of the unit sent for approval:
Finally, the Regulatory Compliance Document:

In a few days, the product should be released for purchase through the Apple website.