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Battery State of Charge (SOC) & Coulomb Counting Calculator engineering
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Battery State of Charge (SOC) & Coulomb Counting Calculator

Compute battery State of Charge ($SOC$), Coulomb counting integration error, Open Circuit Voltage ($OCV$) correlation, and Kalman filter correction thresholds.

Battery Chemistry & Coulomb Parameters

Hall-effect / shunt drift error

Calculated State of Charge & Voltage Mapping

Estimated State of Charge (SOC)
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Open Circuit Voltage (OCV)
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Discharged Ah
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Sensor Drift Error
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Depth of Discharge
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Kalman Filter OCV Correction Necessity
Pure Coulomb counting drifts over time. Periodic rest periods calibrate SOC via OCV curves.

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Tested hardware and components for high reliability

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Frequently Asked Questions