Talk:BatBox/@comment-67.61.158.7-20120803012229/@comment-71.163.251.139-20120816004658

The redstone button changes the redstone behavior of the box. If you have it set to 'emit energy if full' it means that once the battery is full, it will behave like a redstone torch, this way you can put a lamp above it, and the lamp will turn on when the battery is full.