You probably have a phone for personal communication, a tablet for media consumption, a laptop for work, and some other ...

Using your phone while charging can rapidly increase the temperature, putting strain on your battery, screen and processor. Charging rules are essential when it comes to your computer, too.

Quick charging on occasion is fine, but when there’s no rush you’re better off using the 5-watt charger from a former phone. Keep your phone charged to between 20 and 80 percent capacity.

I can even do this while I'm walking or taking the subway. Because my phone will continue charging when my computer is closed, I can keep it plugged in and toss both devices into my bag. While my ...

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 another iPhone, which is handy for ...