FA-12302 / Battery state accounting / Member archive

Series availability sums incompatible cell inventories · case 02

Series discharge is allowed to draw the sum of individual cell inventories.

Member previewVariant 2 · 3 implementations · 6 checks per implementation

Case contract

For a nonempty list of nonnegative cell charge inventories and nonnegative request, return delivered charge and remaining cells; series cells each supply the delivered amount.

Why this case matters

An explicit synthetic battery bookkeeping model isolates this state-accounting error; it is not an engineering prediction or safety procedure.

One recorded failure

Sample boundary fixture

This sample comes from the broken implementation of a controlled reproducer.

Boundary fixture	Actual	Expected	Outcome
unequal	`[10, [-6, 6]]`	`[4, [0, 12]]`	Failed

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