An AA battery holder with cover and switch is a device that holds and securely stores two AA batteries, and also has a cover to protect the batteries from damage and a switch to control the flow of electricity from the batteries to the device they are powering. The switch allows the user to turn on and off the power to the device without having to remove the batteries. It is a common item in electronic devices, such as portable radios, flashlights, and toys.

Add mobility to your Arduino project with this AA battery holder!