Canon DC Coupler DR-E8 for EOS Rebel T2i
The Canon DR%2DE8 DC Coupler When used in conjunction with a compatible AC adapter allows you to power your Canon EOS Rebel T2i Digital Camera directly from an AC Power source%2E This is a preferable means of powering the camera when shooting in a studio environment%2C when shooting tabletop product photography%2C or any photo situation where the camera may need to be powered up for long periods of time%2E