Phase One Battery for IQ and P+ Digital Backs, 3400 mAh
This is the official Phase One battery, tested to work with all IQ and P+ digital backs as well as the new XF Camera System. We strongly recommend only using this official Phase One battery with Phase One equipment. As Phase One warns, some third-party batteries may not fit or may cause damage or malfunction to the camera.
Rated at 3400 mAh.