Battery Storage Size Calculator
Find the nameplate battery size to carry a load for a set number of hours.
Estimate only. Battery aging, temperature, and the maker's limits matter. Size real systems with the manufacturer's data and the design team.
Result
Fill in your numbers and hit Calculate.
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How the math works
Energy used (kWh) = load (kW) x hours
Nameplate kWh = energy used / (DoD% / 100) / (efficiency% / 100)Free weekly email
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