Question about protected batteries in 2/3X18650 setup

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gorann
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Question about protected batteries in 2/3X18650 setup

Ok, if I use 2 protected batteries in a flashlight, and if one has lower volage, and the other significantly higher voltage. What will happen after the lover voltage battery discharges itself. 

No danger of "big bang" if batteries are really protected? Lower voltage battery protection circuit will kick in, turn off that battery, ad flashlight will stop wokrking? What if flashlight remains turned ON after this happens?

Has anyone tried to do this Big Smile