Apple offers three new battery cases for the iPhone 11. An additional button can open the camera app and then be used as a shutter button, too. The smartphone case charges wirelessly and tops up when you charge your phone on a wireless pad. Apple claims it adds 50 percent to your battery life. But it wouldn't reveal the exact battery size included in the cases. The iPhone 11 Pro and Pro Max are available in White, Black, and Pink Sand. While the iPhone 11 comes in White and Black. All of the cases cost $179.