When not connected to the power supply to the controller, light bar an

Is when we have not connected the controller With what? The light bar will be orange and flash slowly. Which shows that it is charging, while at the corner of the TV there is a controller icon showing that it is charging But if letting go for a while Will drain the battery and the ps4 and the controller will disconnect. But if we take the usb cable to charge and continue to charge the light bar will come back orange and flash again and If we press the ps button, the light will change to flashing white. And change to red and blue (not flashing orange like full battery) respectively. But at the TV corner still shows the charging status ** If the charger is disconnected, the light bar will turn orange immediately and the battery will run out quickly.