SWIT S-8823 is a 7.2V, 18.7Wh Li-ion DV battery that fully compatible with JVC BN-VF823. It can display remaining power percentage and remaining recording time on JVC GY-HM100 camcorder. In addition, the S-8823 has a 7.2V pole DC output socket which allows to power camera and other devices simultaneously; and a 4-level LED indicator to give you a view of remaining power before mounting to camera.