One of the features that was added to watchOS 2.0 allows the ability to use complications to show information from third-party applications. Even with no third-party applications installed, Apple has some pre-installed complications.
One of the complications that I would like to see is one that displays the remaining battery on the iPhone. One might think that it may be redundant to have the iPhone’s battery level on the watch. While at this moment I could agree, yet I am thinking long term.
The time I am imaging is three years from now when the presumedly named iPhone 8s is available with the Apple Watch 4. Battery life will likely be much longer on both devices, particularly if Apple takes what user’s desire in mind. It is likely that the Apple Watch will get its own cellular radio, which means it will not need to be tied to an iPhone.
Right now, if I wanted to, I could get approximately 24 hours of battery life on both my iPhone 6s Plus as well as my Apple Watch.
To be fair, I have the largest of the devices, the 6s Plus and the 42mm Apple Watch Sport. The larger size of both of these devices does allow for more battery, and with these devices having larger batteries, I do likely have longer battery life than most users get with their iOS devices.
With the Apple Watch getting more energy efficient and getting even longer battery life, in conjunction with a cellular radio in an Apple Watch, it could become a useful to know when you need to charge your iPhone.
A subsequent feature that would be nice to have, that would go well in conjunction with the battery level complication, would be the ability to put an iPhone into Low Power mode from an Apple Watch Watch. The ability to put an Apple Watch into Power Reserve is already possible with a glance.
These are just a couple of ideas that I had regarding some possible features for the Apple Watch. I think these two features would make the product a bit more appealing to users who might be on the fence regarding the Apple Watch.