I was at the race track today and I brought all my gear with me. Which isn't really all that much... but any way... as is typical me, I forgot to bring something --- the taps connector cord for my 2S lipo. I noticed after I was done with the pre-race practicing. I talked to 3 different people there that run electrics to see if I could find/borrow a balancer cord. All three of them use lipo.
None of them balance when they charge. I was pretty amazed. One guy said he balances his packs so infrequently that guessing once every six months was a decent guess.
They all looked at me like some sort of freak. One guy said that he only does it when he starts to notice the pack behaving weird. I replied, "Well if it starts behaving weird, it's kind of too late because they're so far out of balance one might be below or over voltage." He goes, "Nah just plug it back in and it'll take care of itself."
Needless to say, I didn't charge without my balancer. I ended up not racing.
I'd rather take care of my pack and get the best possible performance from it. I don't care how good those guys drive.