?Replacement For Ring Battery? Battery Type: Lithium-Ion | Condition: Brand New | Capacity: 6040Mah | Voltage: 3.65V | This Replacement Battery For Ring Battery Serves As Your Backup Battery To Continuously Power Your Device. | | ?Excellent Compatibility? Our Replacement Battery For Ring Battery 2 Pack Is Compatible With Ring Doorbell Battery And Ring Camera Battery. Compatible With Ring-Video Doorbell 2/3/4/3 Plus, Stick Up Cam Battery (2Nd 3Rd Gen), Spotlight Cam Battery And Peephole Cam Battery. | | ?Safe Reliable? Our Replacement Battery For Ring Battery Is Equipped With A Protection System, Built In Safety Protection For Over-Voltage, Under-Voltage, Over-Charge, Over-Temperature, Over-Current, And Short-Circuiting, Ensuring User Safety And Reliability. | | ?Detail Design? Equipped With A Usb Charging Port. You Can Charge Them With A 5V Charging Cable With A Usb Port. You Can Also Charge Them Using A Charging Station. The Battery Has No Memory Effect And Can Be Used .