I am a newbie. I have some new Floureon 2200mah batteries. They work fine carrying the FC40 camera but I get a low voltage indicator (flashing red light on the Phantom) immediately after take-off with the FC40 carrying a Walkera 3axis gimbal and SJ4000 camera. The voltage read-out on my lipo charger is 4.2V per cell. Can the battery be overcharged and the NAZA system is giving the warning for MAXIMUM voltage level exceeded? I'm confused!