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The Glass CHP · Battery storage

Cell-Balancing

Ventilation/dehumidification — the silent 24/7 load, with heat recovery. Part of the glass family — like our glass BESS, biogas plant and CHP.

Cell-Balancing
Outdoor air → Fresh air → Heat recovery → Heating coil → Hall → Exhaust
Glass-box in 4 steps

Understand → See it live → What the AI does → Your benefit

Step 1 of 4
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Understand
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See it live
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What the AI does
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Your benefit

What is cell-balancing?

Cell-balancing is a critical control component in battery energy storage systems (BESS), which minimizes voltage differences between individual cells within a module. Precise balancing control ensures that all cells operate at the optimal SOC (State of Charge) and within the permitted voltage windows. This is essential for compliance with technical standards such as IEC 62933 / UTE storage guide to ensure system integrity.

No own register — honestly

For this component, no dedicated register is assigned; therefore, no example value is provided here. Where the system measures, the value is read as read-only and calculated internally. It is visible via connected components.

What the AI reads in this component

What the AI reads
  • Cell voltage deviation as a degradation indicator
  • SOC variation between cells to determine the effective capacity volume
  • Temperature gradients inside the module as an early indicator of thermal stress
  • Number of cycles per cell to calculate remaining life (SOH)
Scenario

Monitoring: continuous

The scenario: > Monitoring: continuous · Deviation over cycles The scenario: a slowly increasing gap remains unprotected until capacity drops significantly. The AI: detects the steady trend early — ageing becomes predictable. It identifies the trend before the limit value is reached.

Why it is important

Precise cell-balancing reduces the degradation rate of the cells and extends the economic service life of the BESS. By preventing the overcharging of individual cells, the capacity of the entire system is maximised. This leads to a higher daily discharge amount and thus to a direct increase in feed-in yields. highest cell voltage (mV) · lowest (mV) → — mV spread Calculation: highest − lowest

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Standards & norms

What the rules require — Cell-Balancing

Grounded in the applicable national standards for battery energy storage systems. Same knowledge base as the European reference plant; presented anonymously.

Basis: the applicable national standards. Values shown are those measured on the plant, not target figures.