Battery balancing duration calculator

Calculate ideal balancing time with your own figures.

Your numbers

Use the units shown. Results update as you change valid inputs.

Use ideal balancing time to compare changes to your inputs. The method and limits below explain the scope.

Examples

Examples

Try the starting example

Charge imbalance (Ah)
0.5
Measured effective balancing current (A)
0.1
Balancing duty fraction (%)
80
Ideal balancing time (hours)
6.25
Ideal balancing time (minutes)
375

Try another scenario

Charge imbalance (Ah)
1.5
Measured effective balancing current (A)
0.1
Balancing duty fraction (%)
80
Ideal balancing time (hours)
18.75
Ideal balancing time (minutes)
1125
Calculation method

Calculation method

Ideal balancing time (hours)

Charge difference divided by current×duty fraction; constant effective current, no voltage taper model.

Ideal balancing time (minutes)

Charge difference divided by current×duty fraction; constant effective current, no voltage taper model.

Symbols and units
a
Charge imbalance (Ah)
b
Measured effective balancing current (A)
c
Balancing duty fraction (%)

Use the units shown. A list keeps the order in which you enter its values. The symbol ^ means “raised to the power of”.

Assumptions & limits

Assumptions & limits

  • User-supplied measurements and assumptions; Charge difference divided by current×duty fraction; constant effective current, no voltage taper model. Supported limits: Finite numeric values bounded to 1e9 magnitude; lists and tables contain 1–100 records unless a stricter bound is stated. Inputs use the units shown. Lists explicitly paired by a method must have matching lengths; independent polynomial coefficient vectors may differ. Respect stated physical, interpolation, policy and computational domain limits.
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