I never heard that. It depends more on how you use it, not now much. If you take it to the limits (full charge to LVC) a couple of times, it should be balanced. I notice that the older my cells get, the more they need to be balanced. A 6-10 month old battery that is used once a week, will need balancing every few charges. 6 months is way to long IMO.
SCTE and 22T
Lovin' the Barn!
Doing the "League" at DirtBurners!