AC/DC Power Adapters
AC/DC Adapters is a device that will convert the power to the correct current.
AC stands for Alternating current with 120-volts and 230 volts of power. While in some Asia countries, they are using 230-volts in their appliances, while in the United States, they are using 120-volts.
DC stands for Direct Current, and a current used to power a flashlight or any appliance that uses a battery is DC.