It could be a defective power adapter or a bad cell in the battery itself. Also check the charging port to see if it is loose. The power port may have broken loose from the motherboard.
The ps4 has a thermal sensor near the cpu which turns on the fans when the sensor reaches a certain temperature. When it gets hot enough, the fan turns on until it is cooled down, then shut off again.
The newer Iphones are designed to use apple approved cables or the phone will not charge. When your buying cables or chargers, make sure the package says Apple Certified replacement.
Did you have the transmission cooling lines to the radiator flushed out, if not, old gunky fluid could have flushed out of the lines and clogged your new filter.