A battery powered security camera can give you the freedom to install the camera in just about any location, especially if the camera is a wireless type. However, there are a few things you should know about battery powered security cameras before you make a purchase. The following should help to give you insight on how the power supply is normally handled for digital video cameras and the options available for battery powered units. First, we need to provide a little clarification. When this article refers to battery powered security cameras, it means the latest digital video models of security cameras. These cameras built today require much less electricity to operate than their older counterparts. Generally, modern digital video security cameras require between 9 and 12 volts of Direct Current (DC). Their older counterparts often ran on only 120 volts of Alternating Current (AC). All digital video security cameras require some sort of electrical power supply. This is usually provided by an AC adapter that plugs into a normal electrical outlet and transforms the 120 volt AC into 9 – 12 Volt DC for the cameras. For systems with multiple cameras, a power distribution unit is used which provides the same function but provides for connections for several cameras at once.

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