It depends, there are so many factors involved that impact battery life, for AAs typically 1-2 months. For our external battery pack 6 + months. For our Solar Panel assuming it's getting enough sun it will just keep on going!
It depends, there are so many factors involved that impact battery life, for AAs typically 1-2 months. For our external battery pack 6 + months. For our Solar Panel assuming it's getting enough sun it will just keep on going!