safety and usage information33Battery Standby and Talk TimeStandby and talk times will vary depending on phoneusage patterns and conditions. Battery powerconsumption depends on factors such as networkconfiguration, signal strength, operating temperature,features selected, frequency of calls, and voice,data, and other application usage patterns.Battery Precautions• Never use any charger or battery that is damagedin any way.• Use the battery only for its intended purpose.• If you use the phone near the network's basestation, it uses less power; talk and standby timeare greatly affected by the signal strength on thecellular network and the parameters set by thenetwork operator.• Battery charging time depends on the remainingbattery charge and the type of battery andcharger used. The battery can be charged anddischarged hundreds of times, but it will graduallywear out. When the operation time (talk time andstandby time) is noticeably shorter than normal, itis time to buy a new battery.• If left unused, a fully charged battery will dischargeitself over time.