Panasonic DMC-TZ70 Basic Operating Instructions Manual page 14

Charging the battery
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Notes on charging time
When using the AC adaptor (supplied)
Charging time
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The battery is a rechargeable lithium ion battery. If the temperature is too high
or too low, the operating time of the battery will become shorter.
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The battery becomes warm after using and during and after charging. The
camera also becomes warm during use. This is not a malfunction.
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Do not peel off or scratch the covering on the battery.
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Do not leave any metal items (such as clips) near the contact areas of
the power plug or near the batteries.
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Store the battery in a cool and dry place with a relatively stable temperature.
(Recommended temperature: 15 °C to 25 °C, Recommended humidity:
40%RH to 60%RH)
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Do not store the battery for a long time while fully charged. When storing
the battery for a long period of time, we recommend charging it once a year.
Remove the battery from the camera and store it again after it has completely
discharged.
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If you try to recharge the battery when it is already fully charged, the charging
lamp will light for approximately 15 seconds.
When using the AC adaptor (supplied), observe the following points as improper
connections may cause malfunctions.
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Do not use any other USB connection cables except the supplied one or a
genuine Panasonic USB connection cable (DMW-USBC1: optional).
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Do not use any other AC adaptors except the supplied one.
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Do not use the AC adaptor (supplied) or the USB connection cable (supplied)
with other devices.
14
SQT0625 (ENG)
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Charging lamp (Red)
On: Charging in progress
Off: Charging stops
(After charging stops, disconnect the camera
from the electrical outlet or your computer.)
Flashing: Charging error
(For instructions on correcting the problem,
refer to "Troubleshooting" (→35).)
Approx. 170 min