It consists of 17 images including an image for the reflection. The images are called "BatteryBG_X.png" where the X is the number of the image. A smaller number means that there is less battery. Their size are 264x129 px.

Reflection of the battery: this image is for the reflection of the battery and is only one line that indicates where it reaches. Its name is "BatteryReflectionMask.png" and its size is 1x129 px.