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
Amazon.com: TAKOCI Replacement Battery for Ring Video Doorbell(1St Gen) B15169,5500mAh (2014 Release/720p HD) : Health & Household