Table 4. Price Breakdown for Various Categories for a 10 MW, 40 MWh, Lead-Acid Battery Cost Category Nominal. Size 2020 Price Content Additional Notes Source(s) SB 40 MWh $171/kWh $/kWh cost for SB Lead-acid battery module price of $100/kWh (Raiford, 2020a) used along with $70/kWh for racking the modules