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CAUTION: Always use the battery within the specified tem-
perature range for the transceiver (–25˚C to +55˚C) and the
battery itself (–20˚C to +60˚C). Using the battery out of its
specified temperature range will reduce the battery's perfor-
mance and battery life. Please note that the specified temper-
ature range of the battery may exceed that of the transceiver.
In such cases, the transceiver may not work properly be-
cause it is out of its operating temperature range.
CAUTION: Shorter battery life could occur if the battery is left
fully charged, completely discharged, or in an excessive tem-
perature environment (above +50˚C) for an extended period
of time. If the battery must be left unused for a long time, it
must be detached from the transceiver after discharging. You
may use the battery until the remaining capacity is about half,
then keep it safely in a cool dry place with the temperature
range as shown below:
–20˚C to +50˚C (within a month)
–20˚C to +40˚C (within three months)
–20˚C to +20˚C (within a year)
BE SURE to replace the battery pack with a new one ap-
proximately five years after manufacturing, even if it still holds
a charge. The inside battery material will become weak after
a period of time, even with little use. The estimated number
of times you can charge the battery is between 300 and 500.
Even when the battery appears to be fully charged, the oper-
ating time of the transceiver may become short when:
• Approximately five years have passed since the battery was
manufactured.
• The battery has been repeatedly charged.
BATTERY CHARGING
D Charging caution
R DANGER! NEVER charge the battery pack in areas with
extremely high temperatures, such as near fires or stoves,
inside a sun heated vehicle, or in direct sunlight. In such en-
vironments, the safety/protection circuit in the battery will ac-
tivate, causing the battery to stop charging.
R WARNING! NEVER charge or leave the battery in the
battery charger beyond the specified time for charging. If the
battery is not completely charged by the specified time, stop
charging and remove the battery from the battery charger.
Continuing to charge the battery beyond the specified time
limit may cause a fire, overheating, or the battery may rup-
ture.
R WARNING! NEVER insert the transceiver (battery at-
tached to the transceiver) into the charger if it is wet or soiled.
This could corrode the battery charger terminals or damage
the charger. The charger is not waterproof.
CAUTION: NEVER charge the battery outside of the speci-
fied temperature range: BC-160/BC-171 (0˚C to +40˚C). Icom
recommends charging the battery at +20˚C. The battery may
heat up or rupture if charged out of the specified temperature
range. Additionally, battery performance or battery life may
be reduced.
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