DSTE 2x CR-V3 Replacement Li-ion Battery for Olympus C3000 C3040 C-40Z 2100UZ 3030 3040Z 4000 5050 740 750 730 4040 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 Full coded version, show battery level in camera screen. No memory effect, can be charged or dischargered at anytime. Perform as good or better than the top branded batteries on the market.