With the approach and impact of Ian it might be timely to learn about Low Power Mode. …Low Power Mode reduces the amount of power that your iPhone or iPad uses when the battery gets low.
To turn Low Power Mode on or off, go to Settings > Battery. You can also turn Low Power Mode on and off from Control Center. Go to Settings > Control Center > Customize Controls, then select Low Power Mode to add it to Control Center. Read more
Charge AirPods (or Even an iPhone) With Your iPhone
If you own an iPhone or iPad with a USB-C port, the port can be used to charge AirPods, an Apple Watch, or even...