An AAA battery holder with two slots is a device that holds and securely connects two AAA batteries together in a parallel configuration. It allows the batteries to be used in electronic devices such as remote controls, flashlights, and toys that require two AAA batteries to operate.

The holder typically consists of two plastic or metal spring-loaded slots that hold the batteries in place and make contact with the positive and negative terminals of the batteries. It also has leads or wires that connect the terminals of the batteries, providing a continuous electrical connection.

This type of battery holder is commonly used for portable devices, it's small, lightweight and easy to install, also it allows to change the batteries when they are depleted without the need of soldering. Some holders also have a switch that allows to turn on or off the circuit when the batteries are installed, this can be useful for some applications.

It's important to note that, for safety reasons, the correct polarity must be observed when installing the batteries in the holder, otherwise it can cause damage to the device or even injury.

Use standard AAA batteries in your project with this module.