Originally Posted by Faiz

yep, its surprised me, what he said its true..
I've this test yesterday,
beside i voltmeter across batt pack,
I'm also put 6 voltmeter across each cell pole to measure each cell voltage during 20A discharge process,
then, when packs voltage drop to 6.2V zone (no reach 5.4V limit yet), one of the cell's voltage suddenly drop down to 0.7V from 1.01V something, then immediately I disconnect the pack...