This lithium-ion battery is compatible with the following Samsung model(s) : Admire / SCH-r720 Specifications : Rechargeable lithium-ion battery. Capacity : 1200mAH, 3.7V Talk time : up to 120 mins. Standby time : up to 55 hrs. Gives your phone the power to keep on fulfilling your communication needs. Perfect as a handy extra or replacement battery. * Equivalent to OEM batteries (MPN : EB504465LABSTD, EB504465LA).