Sony a7SIII Help Manual page 73

Help Guide
Interchangeable Lens Digital Camera
ILCE-7SM3
α7SIII
Charging the battery pack while it is inserted into the camera
You can use a USB cable to charge from an external power source, such as a commercially available USB AC adaptor
or mobile battery.
When a device compatible with USB-PD (USB Power Delivery) is connected to the camera, fast charging is possible.
Turn off the camera, and connect an external power source to the USB Type-C terminal on the camera.
1
Charge lamp on the camera (orange)
Lit; Charging
Off: Charging finished
Flashing: Charging error or charging paused temporarily because the camera is not within the proper temperature
range
The charge lamp turns off when charging is completed.
Note
USB charging is not possible from the Multi/Micro USB terminal. Use the USB Type-C terminal to charge the battery pack.
If the product is connected to a laptop computer that is not connected to a power source, the laptop battery level decreases. Do
not leave the product connected to a laptop computer for an extended period of time.
Do not turn on/off or restart the computer, or wake the computer from sleep mode when a USB connection has been established
between the computer and the camera. Doing so may cause a malfunction. Before turning on/off or restarting the computer, or
waking the computer from sleep mode, disconnect the camera from the computer.
Charging cannot be guaranteed with a custom-built computer, modified computer, or a computer connected through a USB hub.
The camera may not operate correctly when other USB devices are used at the same time.
We recommend using a USB-PD device that is compatible with an output of 9V/3A or 9V/2A.
Before charging, be sure to also read
Related Topic
Inserting/removing the battery pack
Notes on the battery pack and charging the battery
"Notes on the battery pack and charging the
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battery."