Cameron Sino CS-SMI897XL Extended Cell Phone Battery + Back Cover for Samsung Captivate I897 SGH-i897 - 2200 mAh - Retail Packaging Capacity: 2200mAh / 8.14Wh Type: Li-ion Volts: 3.7V Size : 51.00 x 50.50 x 10.50mm Certificated with ISO9001, RoHS & CE;