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.

A power supply for electronic devices. Also called an "AC adapter" or "charger," power adapters plug into a wall outlet and convert AC to a single DC voltage. Computers use multiple DC voltages, and ...

A power adapter must be safe to use and isolate the user from lethal AC mains voltage. Adapters or external power supplies must also not damage the environment with unnecessary power draw in use and ...