Beckify Electrical Engineering Toolbox
Battery Bank Calculator
Size a battery bank from load and backup duration, or reverse-solve runtime from series/parallel strings, with chemistry presets and a continuous C-rate flag.
About this calculator
Use this free browser-based calculator to work through the relevant electrical inputs, review the result, and compare it with field conditions.
For design, installation, or safety decisions, verify assumptions against the applicable code edition, equipment documentation, and site requirements.
Open the interactive tool