Usable Battery Energy CalculatorWHATSON / SOLAR & BATTERYUsable Battery Energy CalculatorSeparate nominal stored energy, usable DC energy and estimated AC output.Starting values are editable examples. Enter your own loads, datasheet values and site assumptions.1 Capacity entryCapacity formatNominal kWhVoltage and amp hoursNominal capacity (kWh)Bank voltage (V)Bank capacity (Ah)2 Usability assumptionsUsable depth of discharge (%)Retained capacity / state of health (%)DC to AC efficiency (%)Calculate resultReset inputs