✅ Understanding Cheap Chinese Solar Controllers Part 4

On this fourth video The Cheap Chinese Solar Controller Is Showing 12.9 Still... And The Batteries Are Showing 13.8 Flickering To 13.9...
For Me... That's Not A Problem As Long As It Charges My Batteries... Forget About 12.9, 12.9, 12.9.
I Am Charging...Putting Amps And Volts And Pretty Fast.