Originally Posted by stargate125645
Battery life cannot be answered since it varies by device and model and user. The whole point of screen off feature is for use with video out, so not sure what specifically you are asking about there.
something were lost in my sentence
I'm looking for power off of cell phone display to limit battery drain, but DATA and GPS have to be ON and working
I need cell phone in my car as GPS device that outputs to external HDMI touchscreen display.
Samsung S3, S3Rx 4.0 TouchWiz 4.4 NE4, Samsung MHL 2.0 with 2A charger, Pioneer x8500bhs (car)
looking for fastcharge while HDMI is ON