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On the other hand, if the Battery Pack is charged at a cooler temperature, it will not be charged fully. c It is normal for the Battery Pack to become warm after charging or after use. c If the Battery Pack is not in use for an extended period of time, natural discharge will occur. Before use, charge it fully. c If the Battery Pack’s power duration becomes drastically shortened immediately after charging, it is run down. Purchase a new one. c Avoid using strong, volatile cleaning agents such as