yep, I have read that as well. Also to clarify, the issue with keeping them at full charge has nothing to do with memory like the old NiCd batteries. Ill see if I can find the article again. Its something about the battery staying at 100% - like people who keep their laptops plugged into docking stations all the time. I dont remember if its heat or some chemical breakdown that happens. You don't develop a memory, but the overall life of the battery decreases.