 But the battery management system is just that. It wants to know the state of charge in every one of those cells. Why? So that it doesn't overcharge some, and it wants to make sure that everything's even. And if one's fully charged and one isn't, then it has the knowledge to send the charge over to the ones that need to be charged and not overcharge. So basically, your battery pack in real time, unbeknownst to you, is not being charged in