Getting Started203. With the battery in position in the phone, slide the cover back on thephone until it locks into position.Charging the BatteryYour phone is powered by a rechargeable Li-ion (lithium ion) battery. Usethe travel adapter to charge the battery, and use only Samsung approvedbatteries and chargers.Note: Fully charge the battery before using your phone for the first time. A discharged batteryrecharges fully in approximately four hours. You can use the phone while the battery is charging,but this causes the phone to charge more slowly.Note: For connection to an electrical supply not located in North America, you must use anadapter of the proper configuration for the power outlet. Use of the wrong adapter could damageyour phone and void your warranty.