Depth of Discharge (DOD) refers to the percentage of a battery’s capacity that has been used during a discharge cycle. Simply put, it measures how much of the battery’s stored energy has been consumed. For example, if a 10kWh battery discharges 5kWh, the DOD for that cycle is 50%.
[pdf] However, it is essential to consider their disadvantages, including high initial costs, limited lifespan, environmental impacts, and other practical challenges. Balancing these drawbacks with the benefits is key to making informed decisions about energy storage technology.
[pdf] Both the exhaust ventilation requirements and the explosion control requirements in NFPA 855, Standard for Stationary Energy Storage Systems, are designed to mitigate hazards associated with the release of flammable gases in battery rooms, ESS cabinets, and ESS walk-in units.
[pdf] 
