[ 187 ]Reference information9 Reference informationThis section provides information about your phone’s batteries,enhancements, chargers, safety guidelines and technical information. Beaware that the information in this section is subject to change asbatteries, chargers, and enhancements change.• BATTERIES AND CHARGERSThis phone is intended for use when supplied with power from the ACP-7,ACP-8, ACP-12, LCH-9, LCH-12, DDC-1, and DT-1 chargers. Other usagecould invalidate any approval given to this apparatus and might bedangerous.Warning:When you purchase batteries, chargers, andenhancements for your phone, use only batteries, chargers, andenhancements that have received approval from the phone’smanufacturer. The use of any other type of phone-relatedhardware will invalidate any approval or warranty applying to thephone, and could also be dangerous. For availability of approvedbatteries, chargers, and enhancements, check with your dealer.• When the battery is fully charged, the indicator will tell you that thebattery is fully charged.• When you are not using a charger, disconnect it from the powersource. Do not leave the battery connected to a charger for more thana week, since overcharging could shorten its lifespan. If left unused,a fully charged battery will discharge itself over time.Temperature extremes can affect the ability of your battery to charge.Therefore, allow it to cool down or warm up before trying to charge it.When the battery is running out of power and your phone only has a fewminutes of talk time remaining, a warning tone sounds and the Batterylow message appears briefly. When no more talk time is left, a warningtone is sounded and the phone switches off.
