I know there have been several post about battery voltage. Has anyone come up with an ideal STORAGE voltage? I know it should be approximately 50%. I have run down one battery and going to fly the other one again tonight. 3 day weekend is over so not sure when I will get to fly again. This will be fun checking the voltage every 10 minutes or so to know when to remove it from the charger. Not a bad little charger if it only had a storage setting on it.