Thanks Wingster, that is great info and a very useful resource. I use a Hyperion 0610iDUO charger and set capacity to 50% (I'll change this to 40% now),

Does the same principle apply to LiIon packs? I use Powerbox Digi-Switches and simply leave them afer a day's flying on the basis that the switch draws a small current all the time so they are discharging constantly when being stored. I just top them up the day before I go flying or when I get to the field. What do you think?