The Battery Grip BG-R20 can hold up to two LP-E6P/LP-E6NH/LP-E6N/LP-E6 battery packs, giving you the ability to shoot for an extended duration of time without worrying about being out of power too quickly.
Designed to keep the camera balanced, even with bulkier large-aperture lenses, allowing for seamless vertical shooting. The enhanced positioning of controllers and buttons also enhances vertical operability.