An AC power pack provides alternating current (AC) power to different electronic and electrical devices from a direct current (DC) source. It is a handy item for powering a variety of items in a variety of ways.
The most common type of AC power pack is designed for use with a laptop computer or other mobile device. It typically plugs into the outlet or USB port of the device, providing the required voltage to power up the device. The power can then be adjusted with a switch or dial to accommodate different application requirements. For example, a laptop that requires 12 volts of power may require a different AC power pack than one that uses 5 volts.
The AC power pack typically includes a transformer, an AC/DC converter, a power indicator light, and terminals for connecting to the device. The transformer is used to convert the DC output of the power supply into the required AC voltage level. The AC/DC converter is used to convert the AC voltage into the appropriate DC voltage. The power indicator light is used to indicate when the power is on and off, while the terminals are used to connect the power pack to the device.
The AC power packs come in various wattages and voltages, with wattages ranging from 10 to 60 watts, and voltages ranging from 3 to 12 volts. The higher the wattage, the greater the power that can be supplied to the device.