“The best charger is the one that shipped with your laptop” is old advice that needs updating because there are often superior options available either as your principal laptop charger, as a spare, or ...

The USB Type-C connector and power delivery (PD) specification has brought radical changes to the mobile device industry, and USB Type-C PD 3.0 could optimize battery charging for portable devices.

The Universal Serial Bus (USB) started out as a data interface, but it didn’t take long before progressing to powering devices. Initially, its maximum output was only 2.5 W; now, it can deliver up to ...