The Power Turns Off Suddenly; The Remaining Battery Level Indicator Shows An Incorrect Level - Sony ILCE-7RM2 How To Use Manual

Make sure that the battery is NP-FW50.
[306] Troubleshooting

The power turns off suddenly.

Depending on the product and battery pack temperature, the product may turn
off automatically to protect itself. In this case, a message is displayed on the
product screen before the product turns off.
[307] Troubleshooting
The battery pack discharges quickly.
When [Remote Ctrl] has been set to [On], the power save mode will not
function. Set [Remote Ctrl] to [Off] after using with a remote control.
[308] Troubleshooting
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.
Troubleshooting
Troubleshooting
Troubleshooting
Battery pack and power
Battery pack and power
Battery pack and power