Icom IC-M92D Instruction Manual - Page 97
Charging caution
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BATTERY CHARGING 11 CAUTION: Always use the battery within the specific temperature However, when the shape of the battery pack is so changed that 1 range for the transceiver and the battery itself (-20˚C to +60˚C (-4˚F the battery pack or battery cover can not be correctly attached to to +140˚F) for U.S.A. and EXP versions, and -10˚C to +55˚C for the transceiver, it is time to replace it with a new one. Otherwise, the 2 Australian version). Using the battery out of its specific temperature range will reduce the battery's performance and battery life. Please transceiver can be damaged due to the loss of air tightness. R DANGER! NEVER charge the battery pack in areas with ex- 3 note that the specified temperature range of the battery may exceed tremely high temperatures, such as near fires or stoves, inside 4 that of the transceiver. In such cases, the transceiver may not work a sun-heated car, or in direct sunlight. In such environments, the properly because it is out of its operating temperature range. safety/protection circuit in the battery will activate, causing the bat- 5 CAUTION: Shorter battery life could occur if the battery is left fully charged, completely discharged, or in an excessive temperature en- tery to stop charging. WARNING! DO NOT charge or leave the battery in the battery char- 6 vironment (above +50˚C (+122˚F)) for an extended period of time. If ger beyond the specified time for charging. If the battery is not com- 7 the battery must be left unused for a long time, it must be detached from the radio after discharging. You may use the battery until the pletely charged by the specific time, stop charging and remove the battery from the battery charger. Continuing to charge the battery 8 remaining capacity is about half, then keep it safely in a cool dry place with the temperature range as follows: beyond the specific time limit may cause a fire, overheating, or the battery may rupture. 9 -20˚C to +50˚C (-4˚F to +122˚F) (within a month) WARNING! NEVER insert the transceiver (battery attached to the 10 -20˚C to +35˚C (-4˚F to +95˚F) (within three months) -20˚C to +25˚C (-4˚F to +77˚F) (within a year) transceiver) into the charger if it is wet or soiled. This could corrode the battery charger terminals or damage the charger. The charger is 11 not waterproof. 12 D Charging caution CAUTION: DO NOT charge the battery outside of the specified temperature range: ±0˚C to +45˚C (+32˚F to +113˚F). Icom recom- 13 Charge the battery pack at least once every six months, even if it mends charging the battery at +20˚C (+68˚F). The battery may heat 14 has been not used for a long period of time. The battery pack will up or rupture if charged out of the specified temperature range, and have slowly self-discharged, even though it has not been used. If the battery performance or battery life may be reduced. 15 battery pack is left for a long period without being charged, its life cycle will be shorter, or worse, it will never accept a charge again. 16 Due to the characteristics of the Li-ion rectangular battery, the battery pack may change its shape as the charge and discharge cycles are repeated. This is a normal phenomenon, and it is quite safe to continue to use the pack, as long as it is properly handled. 90