comments:
telechronn posted on r/nikon5d
New batteries that work in the D700 nearly all of the older DSLRS are available on amazon or online. Here is pack of two for twenty bucks of amazon with a charger: https://www.amazon.com/EN-EL3e-Battery-Charger-Compatible-Digital/dp/B0DYDD2HX8/ref=sr_1_4?dib=eyJ2IjoiMSJ9.IAEGhcfa159bMyaIPjm0oXHk-9P3ndgh8I_HS47Q8BE3zlv3ShXrCxt6kWcQcE4QDT_57yaW5xCWjHCxnhzOizdGxKHKFK44PJjhuMZbTRft9uSbVWf53XvMx2YqhV5fAdh0CD5xKTfoYJWc2yDUMp6zu3raITD1pL23p-oX3z9-RaKb-OcSF-kee_1e15zdsBe_QcXmuzDyqCm_kd2wzNkb7wasLev_61bsa0yVEDE.XIFNzdQWpZoRBSWJQZbxjv3RCpLEXiwpJNYFDOwfBmc&dib_tag=se&keywords=nikon+d700+battery&qid=1782402096&sr=8-4#averageCustomerReviewsAnchor