just a quick note on chargers, without mention of brand names. I have a charger which was around $200 when I bought it. Recently I bought 3 new shorty packs one of which was always had a little split in cell voltage but would balance when I brought it out of storage. Yesterday I proceeded to charge it and the cells went 4.10 and 4.23 and wouldn't budge. So I tried going back into storage and one cell went 3.85 and the other to 3.95. In two hours the 3.95 went to 3.92 and again wouldn't budge.

A buddy of mine has a charger that's in the $600 range and we hooked it up to my battery. His charger charged it,balanced it and then we put it into storage and charged it again with no hesitation. I then ran the battery to just below storage and it now seems fine even on my charger. I don't think my charger would have been able to do anything with the battery. So this has got me thinking about the quality of tools you use always makes a huge difference and a good charger could (will) make the difference in care of your expensive batteries. I'm not sure if you need to spend 600 but I know I'm going to be looking at an upgrade. I'm definitely no expert with lipos and others may have tricks to remedy the problem I had.