Nope. Each circuit measures across its own cell. The other cells basically don’t factor into it at all. This is actually at the heart of a load-balancing charger (which is what you’d need to charge the 3 cells if you keep them in series), where a connector wired across each individual cell allows the charger to get the voltage across each individual cell, and charge them individually as appropriate for the cell’s given voltage, bypassing any overall protection circuitry.
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