So as I promised in the previous post, this post is regarding the making of a 48 V battery and how it is interfaced with a Battery Management System. So what is a battery management system or a BMS and what are the functions associated with it ? Battery Management System (BMS) A Battery Management System is any circuit that tries to manage a rechargeable battery by making sure it is maintained to operate in its safe operational region, by collecting data about the operations in the battery, by controlling the conditions it is surrounded by, and by reporting this data. The next question is why a BMS is considered to be a mandate in the case of Li-ion battery ? The answer is simple. A Li-ion battery if not operated at it's safe operational ranges can prove to be hazardous. This is the reason why a BMS is considered as a mandate in the case of a Li-ion battery. So why not go f