Battery DoD to Energy Yield Calculator

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Nominal capacity (KWH)

Depth of discharge (%)

80 %

Lithium often 80–90%; lead-acid typically 50%

Usable energy

8 kWh

Usable energy

In plain terms, that's 8 kWh. Roughly about 6 hours of a typical home's power.

8,000 Wh

Usable energy (Wh)

How this calculator works

Usable kWh = nominal capacity × (DoD ÷ 100). A 10 kWh bank at 80% DoD delivers 8 kWh to loads before hitting your reserve floor.

Compare usable kWh against Critical Load Analysis Wh requirements. Save both snapshots to the same project for accurate BOM battery sizing.

Usable kWh = nominal capacity × (DoD ÷ 100). A 10 kWh bank at 80% DoD delivers 8 kWh to loads before hitting your reserve floor.

Compare usable kWh against Critical Load Analysis Wh requirements. Save both snapshots to the same project for accurate BOM battery sizing.