Casio OEM Extended Battery with Battery Cover for G'zOne Ravine 2 C781 - BTE781B-Z 1430mAh capacity Includes extended-size battery cover door (replaces original battery door). OEM Casio battery ensures your phone works at optimum performance and reliability Compatible with Casio G'zOne Ravine 2 C781 Includes: Casio Extended Battery (Casio part no. BTE781B; VZW part no. VZW781BATX-1 / Casio Extended Battery Cover Door