DSTE&reg; 3x CR-V3 Battery + DC78 Travel and Car Charger Adapter 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 DC 4.2V(max) DC 3.6V(mean) Battery Capacity : 7.8Wh/2100mAh Info Function for Life Indication A 12V Car Lighter Adapter Convenient for Journey Travel Charger Input: AC 100-240V 50/60Hz Output: 4.2V 0.6A