Sony A6300 User Manual page 265

The remaining battery level indicator shows an incorrect
level.
This phenomenon occurs when you use the product in an extremely hot or cold location.
There may be a difference between the remaining battery level indicator and the actual
remaining battery charge. Deplete the battery pack once, then charge it so that the
remaining battery level indicator is reset. The correct remaining battery level indicator may
not be displayed under some operating or environmental conditions.
Battery capacity decreases over time and through repeated use. If decreased usage time
between charges becomes significant, it is probably time to replace it with a new one.
[306] Troubleshooting
The charge lamp on the product flashes when charging
the battery pack.
Make sure that the battery is NP-FW50.
Remove the battery pack and then reinsert it into the product.
Batteries which have not been used for more than a year may have deteriorated.
Charging has paused temporarily because the camera is not within the appropriate
temperature range.
This phenomenon occurs when you charge the battery pack in an extremely hot or cold
location. The optimum temperature for charging the battery pack is between 10 °C and 30
°C (50 °F and 86 °F).
[307] Troubleshooting
The battery pack has not been charged even if the
charge lamp on the product has turned off.
Make sure that the battery is NP-FW50.
Batteries which have not been used for more than a year may have deteriorated.
Troubleshooting
Troubleshooting
Battery pack and power
Battery pack and power