Sony alpha 7 R IV, Instruction Manual

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Note
We recommend charging the battery pack in an ambient temperature of between 10°C and 30°C (50°F and 86°F). You may not
be able to efficiently charge the battery pack outside this temperature range.
Use a nearby wall outlet (wall socket) when using the AC Adaptor/Battery Charger. If any malfunction occurs, disconnect the plug
from the wall outlet (wall socket) immediately to disconnect from the power source.
If you use the product with a charge lamp, note that the product is not disconnected from the power source even when the lamp
turns off.
When you use a completely new battery pack or a battery pack that has not been used for a long time, the CHARGE lamp may
flash quickly when the battery is charged. If this happens, remove the battery pack and then re-insert it to recharge.
Do not continuously or repeatedly charge the battery pack without using it if it is already fully charged or close to fully charged.
Doing so may cause a deterioration in battery performance.
Be sure to use only genuine Sony brand battery packs.
Related Topic
Notes on the battery pack
5-007-328-11(2) Copyright 2019 Sony Corporation
The charge level shown by the charging status indicator lamp and the percentages in the above table are rough
guides.
The actual status may differ depending on the ambient temperature and the condition of the battery pack.
Charging time (Full charge): The charging time is approximately 150 min.
The above charging time applies when charging a fully depleted battery pack at a temperature of 25°C (77°F).
Charging may take longer depending on conditions of use and circumstances.
When the CHARGE lamp and charging status indicator lamp light up and then immediately turn off, the battery
pack is fully charged.
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