We know that running out of power during a wedding and having to wait for batteries to charge just isn't an option, so you'll likely want to take some additional batteries.
To find power options specific to the model of camera you have selected, just head to the Accessories tab on the package you picked, and you'll find everything that's compatible with your chosen camera.
For power options specific to the camera you've chosen, just click on the Accessories tab on your selected camera package page, and you'll see all compatible batteries and chargers.