Amazon.com: BATTIZ Rechargeable Replacement Battery for Ring S1,Compatible with Ring Video Doorbell (2020 Release 1St Gen) B15169,3.8V=-=5200mAh/19.76WhLithium-Ion Battery(1Pack) : Health & Household
New Genuine 2500mAh 9.50Wh 3.8V Battery Batterie for DATECS BluePad-5500 Plus | eBay
Home Security Camera Replacement Battery for Ring 1St Gen,fits B15169 (2014 Release/720p HD) 5500mAh - Walmart.com