The gopro battery bacpac has been designed to increase the battery life of your gopro camera this handy little battery pack simply attaches onto the back of your gopro for extended battery life making it perfect for long duration time lapse photo sessions the battery has an lcd window which allows you to see how much battery your bacpac has left and it will also show the charge status when yoursquore recharging this gopro battery pack features an led light which indicat