Need Help: Self-discharged Cell?

[Lee]

Hi guys,

Last night after full charge of my 3s pack, I accidentally dropped the pack. Throughout the night till this morning, I noticed the pack is warm and so I did a voltage check on each individual cell. And to my suprise, one of the cell is inbalance and self discharging itself-voltage dropped gradually.

With this finding, is this particular cell damaged and got to be discarded? Any chance of saving the cell?

Your advise is greatly appreciated.

Regards,
Lee

[X34]

Hi guys,

.. I accidentally dropped the pack. Throughout the night till this morning, I noticed the pack is warm and so I did a voltage check on each individual cell. .

Regards,
Lee

Your cell had internal micro shorts. It is best to discard the damaged cell.

[joed]

That's cells damage. Probably due to the drop impact.
Salvage the 2 & dispose properly the damage cell.
Do not attempt to charge or use it. It may explode or catch fire.

[Lee]

Infact, I have tried to charge it for several times and the max peak voltage is only 3.9V, can't go higher. Luckily, nothing happens. will dipose this damaged cell and re-configure the pack to 2s for IFO flying.

Thanks guys!!

Regards,
LEE