Battery Management System / Battery Management Unit (BMS/BMU)

Electronic system associated with a battery which monitors and/or manages its state, calculates secondary data, reports that data and/or controls its environment to influence the battery’s safety, performance and/or service life. The function of the BMS can be assigned to the battery pack or to equipment that uses the battery.

NOTE 1 a BMS is sometimes also referred to as a BMU (battery management unit)
NOTE 2 The BMU can be divided and it can be found partially in the battery pack and partially on the application side