Understanding Your Phone 22Battery3. Use your finger to lift the battery (bottom end first) up and away from thephone.Charge the BatteryYour phone is powered by a rechargeable standard Li-ion battery. Only useSamsung-approved charging devices and batteries. Samsung accessories aredesigned to maximize battery life. Using other accessories may invalidate yourwarranty and may cause damage.Travel ChargerThe travel charger is a convenient, light-weight charger that rapidly charges yourphone from any 120/ 220 VAC outlet.1. Plug the large end of the travel charger into a standard 120/220 VAC walloutlet.