In the video, a person is seen holding a black and red battery in their hands. The battery is labeled with the brand name "DEWALT" and "18V" indicating its voltage capacity. The person is demonstrating how to remove the battery from the device it is attached to. They first press a red button on the battery, which is likely a release mechanism, and then proceed to pull the battery away from the device. The video provides a clear view of the battery and the device, allowing viewers to understand the process of removing the battery.