I have buyed the BC-900 some days ago (v32).
For the moment, I have no problem. Seems to be an excellent charger.
I use refresh test at 700/350mA.
With Ansmann 2300mAh accus, I have 2,28Ah to 2,32Ah when fully charged.
With Energizer 2500mAh accus, I have 2,27Ah to 2,34Ah when fully charged...