● Battery storage calculator

Size your battery storage system

DC-coupled or AC-coupled — get an instant estimate for usable capacity, inverter rating and cost.

Coupling topology

No topology selected yet.

Step 1 · Backup requirement

Critical backup load (kW)

Backup duration (hours)

Step 2 · Battery & system detail

Depth of discharge (%)

Step 3 · Customer category

Step 2.5 · Battery product (optional)

Nearest catalog matches to your ~20 kWh nameplate target. Pick one for exact string configuration and cost, or use the generic estimate.

Frequently asked questions