canon battery

Hi All, I am hoping get a LED panel or two that can be powered by Canon LP-E6 as I have a handful of them, and as Canon seem to be limiting their new cameras to only work with the new batteries. I want to use my older LP-E6's, and the few third party ones I own. I am looking for LED panels...

Hello, I have an oddity. Over the years I have accumulated an EOS 7D MK I, MK II plus an EOS 5 MK III and MK IV, all have Canon grip extenders. All of the batteries, in pairs or singles work in all of the cameras (directly in the body) and in the grip extender shuttles. However, the 5D MK IV...