S-8845 is the replacement battery for Canon BP series BP-945/BP-970G, compatible with Canon XF100/105 and EOS C300. With 7.2V nominal voltage, the S-8845 has 47Wh / 6.6Ah capacity, and can run approx 7 hours on XF105 when LCD monitor is on, and approx 4.5 hours on Canon EOS C300. A 5.5/2.1mm pole-tap DC output socket is equipped on the side of S-8845 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 30W, 4A. The Pole-tap socket can also be used as charging input, by SWIT portable charger S-3010D. The S-8845 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-8845 can be charged on SWIT Dual channel charger S-3602C. It takes about 4 hours and 30 minutes to charge from empty to 100%. And you can also use SWIT S-3010D Portable Pole-tap Charger for S-8845. It will take 7 hours to fully charge.