The S-8PE6 is a 7.2V, 11Wh rechargeable Li-ion DV battery which it is compatible with Canon LP-E6 batteries. The LP-E6 battery works with the Canon EOS 5D Mark II and 7D digital cameras, so that you can always check the remaining capacity on the camera's screen. The build-in intelligent circuit has multiple protections of abnormal current, voltage and temperature.