[chbot] LI Ion battery 0v

[Kay edgecumbe]

went to a chemistry lecture recently to find out what happens and  the significant words were  "when the anions and cations in a solution combine they can form an inert substance .
so no the li fe lion cell once they are below 2.7 volts the damage is not repairable hence the sophisticated battery managements systems .
my one actually disconnects the battery from the vehicle as soon as any cell gets to 2.7 volts  even on a sudden peak spike of low volts.
so you will just have to chuck it away as it could explode
 as one of mine did when charged  (no fire just a bloody mess)

From: marshland at marshland.co.nz
To: chchrobotics at lists.linuxnut.co.nz
Date: Sun, 13 Nov 2011 10:21:36 +1300
Subject: [chbot] LI Ion battery 0v










Hi I purchased a large 3 cell Li-Ion battery pack 
off eBay. After one use, one cell is at 0v. The other 2 are 3.7. Can the cell be 
kicked back into life ? My guess it is internally shorted. 
 
Thanks Wallace
 

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