Hmm - tried to have a look at the lipos tonight.
Plugged them into my UDC30 on a balance charge and just got an alarm and "low voltage" warning on the battery check.
I cant seem to get the charger to do a reading on the cells without it "charging" - but I guess they must be below "safe" i.e 3v.
Any ideas anyone - or is it new lipos and a lesson learnt?!