Considering how the Apple Watch works as an extension to your iPhone, it would've seemed like a no-brainer to include the ability to view your iPhone's battery life from the Watch, but in true Apple fashion, they did not. Thankfully, developer Kelly Pangburn did Apple's job for them, creating a simple application that allows you to view your iPhone's battery percentage quickly and easily from your Apple Watch. Download & Install Battery WatcherAlthough Battery Watcher isn't the only app t...