st-16 battery discharging when charging

Hello everyone, Taking the opportunity of this is a place where everybody helps each other, I would like to ask for your help for the following: I have an typhoon H, and the problem in my ST-16 CONTROLLER discharges the battery (not the drone) that it uses even when it's being turned off. I...

Hi everyone.The problem i am having is when i try and charge my st16 controller it is showing the charging battery on the screen doing what it is supposed to do when charging but instead of the battery charging it is actually discharging.i started charging yesterday when the battery was showing...