In 2016 I sent you my cockpit for updating and diagnostics (there was a suspicion that one output channel was unstable). I received the device and noticed a new problem: when connecting the batteries, even without any servo, there is a rapid loss of capacity of one of the batteries. Rapid loss of capacity occurs even with the power turned off. So, as I flew a little, it simply twisted off the batteries after flying.
Today it's time to deal with the problem, your vision?
Here is a photo, where for 1.5 days with the device turned off the battery capacity is lost more than half.