Apple’s new $99 battery case adds 25 hours of battery life to your phone

Users can charge their iPhone and battery case simultaneously to gain up to 25 hours of talk-tune, 18 hours of Internet, and up to 20 hours of video playback. While using the Smart Battery Casethe intelligent battery status is displayed on the iPhone Lock screen and in the notification center, so users can check exactly how much charge they have left.

Apple is currently offering the case in two colors: black and white for $99.

Product information via Apple.