[ 124 ]17 Reference information• USE ENHANCEMENTS SAFELYThis section provides information about the phone’s batteries, enhancements,and chargers. Be aware that the information in this section is subject tochange as the batteries, chargers, and enhancements change.This phone is intended for use when supplied with power from an ACP-7U,ACP-12U, or LCH-12 charger. Other usage could invalidate any approvalgiven to this apparatus and may be dangerous.Warning: When you purchase batteries, chargers, and enhancementsfor your phone, use only batteries, chargers, and enhancementsthat have received approval from Nokia. The use of any other typemay invalidate any approval or warranty applying to the phone,and could also be dangerous. For availability of approved batteries,chargers, and enhancements, check with your service provider.Note: For information on how to charge and recharge your battery,please see “Charge the battery” on page 13.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 power source.Do not leave the battery connected to a charger for more than 72 hours,since prolonged maintenance charging could shorten its lifetime. If leftunused, a fully-charged battery will discharge 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 itself off.
