3.7V; Long-lasting; 1,100mAh; Li-Ion; Rechargeable battery; Replacement battery for Samsung(R) 847 cell phone & other comparable Samsung(R) models; Compatible with Samsung(R) A847, Samsung(R) A997, Samsung(R) Rugby II, Samsung(R) Rugby II A847, Samsung(R) Rugby III A997, Samsung(R) SGH-A847, Samsung(R) SGH-A997 Samsung(R) AB663450BA & Samsung(R) AB663450BABSTD;