Apple has launched the Smart Battery Case for the iPhone XS, iPhone XS Max and the iPhone XR. The Smart Battery Case is similar to the one the company launched several years ago for the iPhone 6 and the iPhone 6s, but with a few key improvements. Smart Battery Case for the XS, XS Max, XR The case includes a built-in battery, which extends the battery life of the phone inside. The case plugs into the Lightning connector of the iPhone and perpetually keeps it charged until the battery in the case drains completely. The case can then be charged either through the...