For those of you who use Li-Ion cells, but don't have the Li-Ion BMS book, I am recording a series of videos on Li-Ion BMS issues.
The first set discusses the 8 reasons why only top balancing is appropriate for battery packs for energy use.
http://www.youtube.com/watch?v=rALhwf9ojZQ
I'll announce the next videos as they come out.
Davide