3.7V; Li-Ion; Long-lasting; 850mAh; Rechargeable; Replacement battery for the Samsung(R) Brightside Cellular Phone; Comparable to Lenmar(R) LENCLZ577SG; Compatible with Samsung(R) Brightside, Samsung(R) Intensity 3, Samsung(R) SCH-U380, Samsung(R) SCH-U485, Samsung(R) U380 Brightside, Samsung(R) SCH-U380HKV Samsung(R) EB424255YZ, Samsung(R) EB424255YZB, Samsung(R) EB424255YZBSTD, Samsung(R) EB42455VA & Interstate(R) CEL1004;