Mark,
If the cell is at zero volts and is only 'one or two charges old' then send it back. Do you know the voltage when you had them delivered? I always recommend people check the OCV's out of the box, prior to assembly so the 'failure' cannot be blamed on assembly.
It is likely the cell has an internal short circuit. Hitting it with a high voltage/current could possibly burn out the short (if it is a small internal 'soft' short) or it could do some serious damage if it is a 'hard' short. It is not really a good thing to do as burning out the short can damage the seperator and the cell will soon die anyway.
Lets have a look tomorrow.
N
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