Getting Started 9BatteryYour phone is powered by a rechargeable, standard Li-Ionbattery. A Wall/USB Charger (Charging Head and USB cable)is included with the phone, for charging the battery.Note: The battery comes partially charged. You must fullycharge the battery before using your phone for the firsttime. A fully discharged battery requires up to 4 hours ofcharge time.After the first charge, you can use the phone whilecharging.Warning! Use only Samsung-approved charging devices andbatteries. Samsung accessories are designed tomaximize battery life. Using other accessories mayinvalidate your warranty and may cause damage.Note: Failure to unplug the wall charger before you remove thebattery, can cause damage to the phone.Battery IndicatorThe battery icon in the Annunciator Line shows batterypower level. Two to three minutes before the batterybecomes too low to operate your phone, the empty batteryicon will flash and a tone will sound. If you continue tooperate the phone without charging the battery, the phonewill power off.Installing the Battery1. Remove the battery cover. (See “Removing the batterycover” on page 6.)2. Slide the battery into the compartment (1) so that thetabs on the end align with the slots at the bottom of thephone, making sure the connectors align.3. Gently press down to secure the battery (2).