Sony NEX-7K - Manual (Page 201)

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“InfoLITHIUM” battery pack
Your camera operates only with an “InfoLITHIUM” battery pack NP-FW50. You cannot
use any other battery packs. “InfoLITHIUM” W series battery packs have the
mark.
An “InfoLITHIUM” battery pack is a lithium-ion battery pack that has functions for
communicating information related to operating conditions with the camera.
The “InfoLITHIUM” battery pack calculates the power consumption according to the
operating conditions of your camera, and displays the remaining battery time in
percentages.
On charging the battery pack
We recommend charging the battery pack in an ambient temperature of between 10 °C
and 30 °C (50 °F and 86 °F). The battery pack may not be effectively charged in
temperatures outside this range.
Effective use of the battery pack
• Battery performance decreases in low temperature surroundings. So in cold places, the
operational time of the battery pack is shorter. To ensure longer battery pack use, we
recommend putting the battery pack in a pocket close to your body to warm it up, and
insert it in the camera immediately before you start shooting.
• The battery pack will run out quickly if you use the flash or record movies frequently.
• We recommend having spare battery packs handy and making trial shots before taking
the actual shots.
• Do not expose the battery pack to water. The battery pack is not water-resistant.
• Do not leave the battery pack in extremely hot places, such as in a car or under direct
sunlight.
On the remaining battery time indicator
• You can check the level with the following indicators and percent figures displayed on
the LCD monitor.
• When the power goes off even though the remaining battery time indicator indicates
that the battery pack has enough power to operate, charge the battery pack again.
Remaining battery time will be indicated correctly. Note, however, that the battery
indication will not be restored if it is used in high temperatures for a long time, or if
left after being charged, or when the battery pack is frequently used. Use the remaining
battery indication as a rough guide only.
How to store the battery pack
• Fully discharge the battery pack before storing and store it in a cool, dry place. To
maintain the battery pack’s function, charge the battery pack and then fully discharge
it on the camera at least once a year.
Battery level
“Battery exhausted.”
High Low
You cannot shoot any
more image.
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