For example, 100Ah at 12V equals 1. Converting amp-hours to kilowatt-hours is straightforward once you understand the formula and why each component matters. Multiply amp-hours by voltage to get watt-hours, then divide by 1000 to convert to kilowatt-hours.
That results in an "adjusted adder" per energy from the energy storage system of US$20 USD/MWh * 3. Where P B = battery power capacity (kW), E B = battery energy storage capacity ($/kWh), and c i = constants specific to each future year.