DSTE 2x NP-BY1 Rechargeable Li-ion Battery pack + Travel & Car Charger DC16 for Sony HDR-AZ1 HDR-AZ1VR HDR-AZ1VB HDR-AZ1VW Camera Battery Type : Li-ion DC 4.2V (max); DC 3.7V (mean) Battery Capacity : 3.0Wh/800mAh Info function for life indication Travel Charger Power Requirements : AC 100-240V 50/60Hz Output : 4.2V 0.6A Car Charger Output : 12V 0.5A 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 andover-heating.