Getting Started111Samsung 2500 Series Battery Charge IndicatorThe Battery Charge Indicator displays in the upper rightcorner of the LCD screen and indicates four levels of charge.Three solid bars (as shown here) indicate a fully chargedbattery. When the battery charge level is low or empty, anempty Battery Charge Indicator (no bars displayed) flashes onthe screen.Rapid Charging using the Dual-Slot Desktop ChargerTo charge your battery in the most rapid method, insert thephone and battery into the front compartment, and leave thephone off. Using this method, a standard battery charges in nomore than 2 hours, and an extended battery charges in no morethan 3 hours.Caring for the BatteryUse only Samsung-approved batteries, desktop and travelchargers. These chargers maximize battery life andperformance. Using other batteries or chargers may invalidateyour phone / battery warranty and may damage the battery.For proper battery care, please follow these guidelines:• To avoid damage, charge the battery in temperaturesthat range from 32°F to 104°F (0° C to 40° C).• Do not use the battery charger in direct sunlight or inhigh humidity areas (such as a bathroom).• Never dispose of the battery by incineration (fire).• Keep the metal contacts at the battery base clean.