Icom IC-M25 Instruction Manual page 32

8
ABOUT THE BATTERY
❏ Charging caution (Continued)
NOTE: Charge the battery pack within the specified
temperature range:
15°C (59°F) to 40°C (104°F)
Otherwise, the charging time will be longer, but the battery
will not reach a full charge. While charging, at a point
after the temperature goes out of the specified range, the
charging will automatically stop.
TURN OFF the power before charging, to avoid damage
to the battery. Charge the battery at least once every six
months, even if it has been not used for a long period of
time. The battery will have slowly self-discharged, even
though it has not been used. If the battery is left for a long
period without being charged, its life cycle will be shorter, or
worse, it will never accept a charge again.
24
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❏ Battery lifetime and replacement
The internal battery material will become weak after a
period of time, even with little use. The estimated number of
charging and discharging cycles is between 300 and 500,
depending on the type of operation.
Even when the battery appears to be fully charged, the
operating time of the transceiver may become short when:
• Approximately five years have passed since the battery
was manufactured.
• The battery has been repeatedly charged.
BE SURE to replace the battery with a new one
approximately five years after purchasing, even if it still holds
a charge.
Contact your Icom's local service shop or authorized Icom
dealer about the battery replacement.
(Icom global site: https://www.icomjapan.com/)