Battery cell voltage spread and outliers calculator

Calculate per-observation [minimum V,maximum V,spread mV] JSON and outlier [observation,cell] positions with your own figures.

Your numbers

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

Use per-observation [minimum V,maximum V,spread mV] JSON and outlier [observation,cell] positions to compare changes to your inputs. The method and limits below explain the scope.

Examples

Examples

Try the starting example

Cell voltage rows at successive observations (V)
[[3.6,3.61,3.59],[3.7,3.74,3.69]]
User-selected outlier distance from row median (mV)
30
Per-observation [minimum V,maximum V,spread mV] JSON
[[3.59,3.61,20],[3.69,3.74,50]]
Outlier [observation,cell] positions (JSON)
[[2,2]]

Try another scenario

Cell voltage rows at successive observations (V)
[[4.6,3.61,3.59],[3.7,3.74,3.69]]
User-selected outlier distance from row median (mV)
30
Per-observation [minimum V,maximum V,spread mV] JSON
[[3.59,4.6,1010],[3.69,3.74,50]]
Outlier [observation,cell] positions (JSON)
[[1,1],[2,2]]
Calculation method

Calculation method

Per-observation [minimum V,maximum V,spread mV] JSON

Compare cell voltages within each supplied simultaneous observation using a user-selected deviation threshold; no fault diagnosis.

Outlier [observation,cell] positions (JSON)

Compare cell voltages within each supplied simultaneous observation using a user-selected deviation threshold; no fault diagnosis.

Symbols and units
a
Cell voltage rows at successive observations (V)
b
User-selected outlier distance from row median (mV)

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; Compare cell voltages within each supplied simultaneous observation using a user-selected deviation threshold; no fault diagnosis. 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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