You may be able to save the pack by charging and discharging the sticks, either separately, or as a pack with the Charging system I have developed.
The success rate is running better than 80%.
Charger info:
http://99mpg.com/Projectcars/gridcharger/
Discharger info:
http://99mpg.com/Projectcars/packdischarger/
Software :
http://99mpg.com/Projectcars/gridcharger/
Harness install video:
Software demo video:
Using the charger/discharger to fix your pack
Hope that helps
Good luck
Mike