Im purchasing a 300wh solar generator. I want to charge it off of a solar panel. Im looking for a cheapish set up. I can figure out buying a solar panel but I want to be able to keep it charged around 80 percent for storage until its needed. Ive never dealt with charge controllers before. Im...
I am looking at purchasing this solar generator. The question I have is can the internal battery be replaced? I know they have an external battery add on. If the internal battery cant be replaced, can it run off the external add on if the original internal battery no longer works?