I get the charging system part.
New battery (got one)
Checked voltage (13 v while running) may not be enough.
What my question is, I know it has a battery indicator light on. I know what it does when it is not fully charged (on't crank). What my car does is that, but also something new, after a while of driving with my battery fully charged (12.2v) it dies and won't fire (Not won't crank) won't fire! Remember the battery is fully charged and the engine is cranking, no fire. I disconnect the battery at night and the next day it starts right up no problems, like nothing ever was wrong.
Question with my charging system sub-standard could my ecu become corrupted or does it have a fail-safe mode to prevent me from causing further damage and shut down my car?