New Ring Doorbell 3 arrived WITHOUT 'included' quick release battery pack

Hello, Had purchased a Ring Doorbell 3 for parents and family last October which due to scheduling conflicts and geographical restrictions I've been unable to install until today. With everything in place I open the doorbell box to learn my unit is in fact missing the removable quick-release battery pack. :/ This unit was purchased new from Amazon.com The Ring.com support channel seems to be sending me in circles back to amazon as the AI 'support' continues to determine (despite my many attempts at rephrasing the question) that my amazon order was missing pieces and not my Ring package. Has anybody else experienced this issue? Wondering how my time and efforts are best spent moving forward with this issue? Thanks in advance.