Battery Cell Configurator

Enter your desired pack voltage and capacity. Tool suggests series & parallel, gives currents, C-rate calculations, SVG visual, validation and purchase templates.

Target pack nominal voltage (V)

Target pack capacity (Ah)

Cell nominal voltage (V)

Cell capacity (mAh)

Cell format

Safety / reserve capacity (%)

Preferred parallel (optional)

Target max continuous discharge (A) — optional

Advanced: adjust effective cell nominal voltage

Add/subtract volts per cell (e.g. -0.05)

Use to nudge the computed S closer to target voltage.

Notes: This calculator is approximate. Always verify cell datasheets, BMS specs, fusing, and mechanical constraints. Do not attempt pack assembly without proper training and safety equipment.

🔋 Battery Cell Configurator — S × P builder

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