Battery Output Voltage: 72 V, Battery type: Lead-acid battery, Expected Battery Life (years): 3 - 5, RBC Quantity: 2, Color: Black, Units per Pallet: 6.0, Storage Elevation: 0 - 15240meters APC Smart-UPS SRT 72V 2.2kVA Battery Pack embedded monitoring at the cell, module, and cabinet level provides a clear picture of battery runtime and health, with the added benefits of predictable, consistent runtime performance and stable cell health.