S-8823 is the replacement battery for JVC BN-VF823, compatible with JVC GY-HM100/101 series camcorder. S-8823 can exchange digital info with the cameras, and display remaining power info on the camera viewfinder. With 7.2V nominal voltage, the S-8823 has 18Wh / 2.5Ah capacity,and can run approx 2 hours on JVC GY-HM100 camcorder when LCD monitor is on. A 5.5/2.1mm pole-tap DC output socket is equipped on the side of S-8823 battery, for DC 7.2V (Nominate) connection. You can connect on-camera LED light, monitor or wireless transmitter on the pole-tap socket, and get power simultaneously with camera. The Max power from the pole-tap is 15W, 2A. The Pole-tap socket can also be used as charging input, by SWIT portable charger S-3010D. The S-8823 battery has the 4-level LED power indicators to check the battery remaining capacity. You can get a quick view of capacity before using. The S-8823 can be charged on SWIT Dual channel charger S-3602V. It takes about 2 hours to charge from empty to 100%. And you can also use SWIT S-3010D Portable Pole-tap Charger for S-8823. It will take 3 hours to fully charge.