Replacement Samsung SCH-R500 BAttery is designed to replace OEM part number AB503442CA, AB503442CAB/STD. This standard battery is compatible with the Samsung SCH-R500, SCH-R510, SGH-A127, SGH-T519, SGH-T729, SPH-M520 models. • Chemistry: Li-Ion • Rating: 3.7V 600mAh • Warranty: 4 Years