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Compare Home Battery Sizing Calculator scenarios

Three side-by-side scenarios of the same calculator. Change any input in any column and the result recomputes live.

Scenario A

Daily load to back up(kWh/day)

Days of autonomy (no sun / grid)(days)

Usable depth of discharge(%)

Round-trip / inverter efficiency(%)

Reserve margin (headroom)(%)

Battery capacity needed

29.63 kWh

Scenario B

Daily load to back up(kWh/day)

Days of autonomy (no sun / grid)(days)

Usable depth of discharge(%)

Round-trip / inverter efficiency(%)

Reserve margin (headroom)(%)

Battery capacity needed

29.63 kWh

Scenario C

Daily load to back up(kWh/day)

Days of autonomy (no sun / grid)(days)

Usable depth of discharge(%)

Round-trip / inverter efficiency(%)

Reserve margin (headroom)(%)

Battery capacity needed

29.63 kWh