Originally Posted by Smeagle
I think, you have a very bad pack. At all my testing (even with old defective packs and after dicharging only single cells etc.) I have never seen a cell go over 4,22V. And even 4,22 was only for some few seconds, while the charger was already ramping down current. I started with Version 2.9 if I remember right. What's your version?
The pack is a brand new Flightpower pack. It has had only 12 cycles on it and never discharged below 50%.
Nothing wrong with the pack, the charger was playing up as it did this on 4 seperate packs (2 different brands and all 4 brand new).