The ACK-E6 AC adapter is designed to supply uninterrupted power for your camera while downloading images to your computer, for extended work in a studio, or while viewing images while connected to your television or VCR. It is compatible with the following Canon DSLR cameras:
EOS 5DS, 5DS R, 5D Mark II, 5D Mark III, 5D Mark IV, 60D, 60Da, 6D, 6D Mark II, 70D, 7D Mark II / 7D Mark 2, 80D, EOS R DSLR cameras
This product is not compatible with Canon EOS 5D, which is a completely different camera model and use different BP-511 batteries. Please check your camera model before ordering.