DSTE 2x 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 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. Fold-out AC prongs, compact and portable design, easy to carry. Comes with a 12V Car Lighter Adapter, enables you to charge easily when outside. Built with smart technology that protects against short circuiting, over-charging and over-heating.