You're welcome! And they do. The big battery makers are Panasonic, LG Chem, Samsung SDI, and a few companies that make things internally. Apple has tried to ge

You're welcome! And they do. The big battery makers are Panasonic, LG Chem, Samsung SDI, and a few companies that make things internally. Apple has tried to get into batteries with a few strategic acquisitions but didn't really get anywhere (as far as we know.)