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What Does an AC/DC Power Converter Do?

If you find yourself constantly looking for chargers and adapters for the dozens of electrical devices and appliances around your home, you’re probably actually looking for an AC/DC power converter. AC/DC stands for alternating current/direct current and a converter that changes electricity from one current to the other makes it possible for you to use electricity from a wall socket for a number of diverse uses.

What’s the Difference?
So, why are there two different types of electrical current? With direct current, the subatomic particles called electrons that create electricity only flow in one direction. This type of current is used by batteries and the electricity can only be used at a single voltage. For example, the common 9-volt battery can only be used by devices that can accept nine volts worth of power. It is hard for DC electricity to flow over long distances without much of the electricity being lost in the process.

The Benefits of AC
Alternating current, on the other hand, uses electrons that flow in both directions. This makes it possible for the power to flow over much longer distances without energy loss. The voltage of AC power can also be increased or decreased as needed, which makes it more flexible to accommodate a variety of uses. Electricity comes from power plants at a very high voltage alternating current. When it reaches your home, an AC/DC power converter reduces the voltage and makes it usable for your devices.

When are Converters Used?
AC/DC power converters, often call AC adapters, convert electricity from a wall outlet to a usable power supply for devices and electronics. They can either function as the sole power source, or charge a battery that powers the device when it isn’t plugged in. External power converters (as opposed to transformers built into the device) carry a number of benefits, including improved safety, reduced internal heat and easier repairs.

CyPower LLC in Austin, TX supplies engineers and buyers with a wide selection of all major types of power converters. They are an authorized dealer of every make and model they sell, so you can be confident you’re getting top quality parts with expert support. Visit to browse their online catalog.

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