32. Battery and SignalYour phone is powered by a rechargeable battery. Useonly batteries approved by the phone manufacturer andrecharge your battery only with the chargers approvedby the manufacturer. See “Important BatteryInformation” on page 6.A new battery must be fully chargedbefore being used for the first time. A newbattery’s full performance is achievedonly after two or three complete chargeand discharge cycles!To Install the BatteryTo Remove the BatterySwitch off the power before removing the battery.