Try and charge the low one as a single cell through the 2mm balance port and a 4mm port to see if it recovers. Check which cell it is with voltmeter before trying though and and use say 1 amp on 1s setting checking the + & - before starting.
Wouldn't try the Nicad or NIMH method as the second cell is at 4.17v.
You could try to discharge the 'full' cell via the 2mm port & 4mm down to min then try balance charge
Last edited by Chequered Flag Racing; 26-07-2015 at 08:47 AM.
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