DSTE&reg; 3x CR-V3 Replacement Li-ion Battery for Olympus C3000 C3040 C-40Z 2100UZ 3030 3040Z 4000 5050 740 750 730 4040 3020 D390 D510 Camera as LB-01 Battery Type : Li-ion Battery Capacity : 7.8Wh/2100mAh Output Voltage : DC 4.2V (max)/ DC 3.6V (mean) Info Function for Life Indication High Capacity for Stamina