Getting Started 11Caution: Use only charging devices and batteriesapproved by Samsung. Samsung accessories aredesigned for your device to maximize battery life. Usingother accessories may void your warranty and maycause damage.2. Connect the USB cable to the charging head, andthen plug the charging head into a standard outlet.3. Unplug the charging head from the outlet andremove the USB cable from the device whencharging is complete.When to Charge the BatteryWhen the battery is low and only a few minutes ofoperation remain, the device sounds a warning tone atregular intervals.In this condition, your device conserves its remainingbattery power by dimming the screen.When the battery level becomes too low, the deviceautomatically turns off.For a quick check of your battery level:► View the battery charge indicator located in the topright corner of your device’s display. A solid color( ) indicates a full charge.You can also choose to display a percentage value.Viewing a percentage value can provide a better ideaof the remaining charge on the battery. For moreinformation, see “Battery” on page 168.While charging, the device and the charger maybecome hot. This does not affect the device’s lifespanor performance and is in the device’s normal range ofoperation.The charger may stop charging if the battery becomestoo hot.