[ 112 ]25. Reference information• Using batteries and chargersFor charging and recharging your phone battery, see “Charge your battery”on page 5.Use only batteries approved by the phone manufacturer and recharge yourbattery only with the chargers approved by the manufacturer.A new battery's full performance is achieved only after two or three completecharge and discharge cycles!The battery can be charged and discharged hundreds of times but it willeventually wear out. When the operating time (talk-time and stand-bytime) is noticeably shorter than normal, it is time to buy a new battery.When a charger is not in use, disconnect it from the power source. Do notleave the battery connected to a charger for longer than a week, sinceovercharging may shorten its life. If left unused a fully charged batterywill discharge itself over time.For good operation times, discharge NiMH batteries from time to time byleaving your phone switched on until it turns itself off (or by using thebattery discharge facility of any approved accessory available for yourphone). Do not attempt to discharge the battery by any other means.Temperature extremes will affect the ability of your battery to charge:allow it to cool down or warm up first.When the battery is running out of power and only few minutes of talktime remain, a warning tone is heard and Battery low is briefly displayed.When no more talk time is left, the phone will beep three times and Rechargebattery is displayed. The phone then switches itself off.Use the battery only for its intended purpose.Never use any charger or battery which is damaged or worn out.
