Sony SupportSLT-A77V

Article ID : 00158072 / Last Modified : 03/10/2024Print

Battery pack not charging: Flashing light or no light on battery charger

    The solution depends on the status of the battery charger's lamp.

    Check the status of the charge lamp on the battery charger to resolve the issue.

    Status of the charge lampSolution
    The lamp is onThe battery is currently charging.
    Wait until the lamp turns off, which indicates that charging is complete.
    The lamp turns off immediately after it turns on.Charging is complete.
    Note: If the lamp turns off right after charging begins, the camera may already be fully charged. Check the remaining battery level on the camera.
    The lamp flashes slowly (intervals of more than 1 second).A slowly flashing lamp indicates that the charging has stopped because the battery temperature is either too high or too low. Remove the battery pack from the charger and leave both at an ambient temperature of 50ºF to 86ºF (10ºC to 30ºC). Try charging the battery pack again later.
    Note: If the lamp is flashing slowly, charging will resume when the battery temperature reaches the appropriate range. The lamp will automatically change from flashing to a steady light.
    The lamp flashes quickly (intervals of less than 1 second) or it does not light up.
    • This may indicate that charging has stopped or cannot start because the battery terminal is dirty. This issue may occur if the battery has not been used for a long time.
      For details, please see the following page:
      The battery does not charge.
    • If the lamp doesn't light up and you're using an extension cord, connect the cable directly to a wall socket to check for symptoms.
      Also, check the diagram below for the correct orientation of the charger. If you plug the charger into the outlet incorrectly, it may fall off under its own weight. 
      • Correct
        Battery
      • Incorrect
        Battery
    Note: When using the BC-TRX battery charger (sold separately), change the selector switch according to your charging method.
    • When charging the battery installed with the camera: select BATTERY CHARGE
    • When charging by connecting with the USB cable: select USB POWER 5V 1500mA