- The individual battery cells can be monitored by BMS battery managements system. Then it can calculate what current can safely go in (charge) and come out (discharge) without damaging the battery.
- The current limits prevent the source, the load (such as an inverter) from overdrawing or overcharging the battery. This protects the battery pack from cell voltages getting too high or low, which helps increase the battery’s longevity.
- Besides, the bms can monitor the remaining charge in the battery. It continually tracks the amount of energy entering and exiting the battery pack and monitors cell voltages. It uses this data to know when the battery is drained and shut the battery down. This is why lithium-ion batteries don’t show signs of dying like a lead-acid, but just shut off.