[ 119 ]Reference information2020 Reference information• BATTERIES AND CHARGERSThis section provides information about the phone’s batteries, accessories,and chargers. Be aware that the information in this section is subject tochange as the batteries, chargers, and accessories change.This phone is intended for use when supplied with power from an ACP-7U,an ACP-8U, LCH-8, or an LCH-9. Other usage could invalidate any approvalgiven to this apparatus and might be dangerous.Warning! When you purchase batteries, chargers, and accessoriesfor your phone, use only batteries, chargers, and accessories thathave received approval from the phone’s manufacturer. The use ofany other type of phone-related hardware will invalidate any approval orwarranty applying to the phone, and could also be dangerous. Foravailability of approved batteries, chargers, and accessories, check withyour 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 power source.Do not leave the battery connected to a charger for more than a week,since overcharging could shorten its lifespan. If left unused, a fullycharged 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 battery lowmessage appears briefly. When no more talk time is left, a warning tone issounded and the phone switches itself off.8265_1.BOOK Page 119 Friday, October 19, 2001 3:06 PM