Keep batteries good
You are having a AA or luthium ? AA batteries is very badly because it essily broken if you don't use camera in a long time, the AA batteries can make your camera broken, too. And luthium batteries is better. If you want to keep battery good, you should put the batteries outside of the camera. And you shouldn't turn on the camera in hight temperature, it can make your battery slowly. A?, you should change the new battery every year to keep you camera working best.