A battery operated portable DVD player is a convenient device to have when traveling. It is small and lightweight so it can easily be carried in a bag or backpack. Most battery operated portable DVD players have a screen size of seven to nine inches. 

They also have a built-in rechargeable battery, which allows for several hours of playback. Many portable DVD players come with a car charger and a AC adapter, so they can be used both at home and on the go. Some players even have a USB port, which allows users to watch movies and videos from …