Engineering tools
Supercapacitor Calculators
Quick first-pass sizing. Results are estimates for early design work.
Stored energy
E = ½·C·(V1² − V2²)
Backup capacitance
C = 2·P·t / (η·(V1² − V2²)) for constant-power loads
Series string
Cells needed, string capacitance and ESR. Balancing is required.
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