Battery Backup Calculator
Find the right battery Ah, voltage and number of batteries for your backup needs.
Backup Requirements
Recommended Battery Bank
0 Ah
Total Energy Needed0 Wh
Required Bank Ah0 Ah
Batteries Needed0
Configuration—
How Battery Sizing Works
Required Ah = (Watts × Hours) ÷ (Voltage × DoD × Inverter Efficiency 0.85). We then round up to commercially available battery sizes and calculate series/parallel configuration.