Apple’s newly introduced Smart Battery Case for the iPhone XS and iPhone XS Max both feature a lower 1,369 mAh rating compared to previous versions of the Apple-designed battery case, but a higher voltage that yields a total of 10.1 Wh of energy, equaling a 13 percent overall larger battery capacity than previous Smart Battery Cases seen on older generation iPhone models.
What does all that nonsense mean? Well, with the new Smart Battery Cases customers will get up to 75% extra usage time on their devices, specifically a 75% increase for the iPhone XS, a 54% increase for the iPhone XS Max and lastly a 47% increase for the iPhone XR.
Apple touts that the new Smart Battery case for the iPhone XS adds 33 additional hours of talk time, 21 hours of internet use, and 25 hours of video. The iPhone XS Max case adds 37 hours of talk time, 20 hours of internet, and 25 hours of video playback. Finally, the iPhone XR Smart Battery case packs 39 hours of talk, 22 hours of web, and 27 hours of video, although Apple doesn’t state the battery’s capacity in the online Apple Store tech specs.