https://accessories.euro.dell.com/sna/PfydFeaturedCategoryResults.aspx?c=de&l=de&s=bsd&cs=debsdt1&mfgpid=6113969&chassisid=8560&stype=2&Tab=Parts

https://www.dell.com/support/manuals/us/en/19/latitude-e7470-ultrabook/late_e7470_om/removing-the-base-cover?guid=guid-de771d72-a1e4-4398-8019-74773a818c25&lang=en-us

https://www.dell.com/support/manuals/us/en/19/latitude-e7470-ultrabook/late_e7470_om/removing-the-battery?guid=guid-258dead5-b99c-4cd5-aa2b-ec1991d88341&lang=en-us