Get an extra rechargeable battery pack for your compatible Doorbell, Security Camera, or Solar Floodlight so you'll always have backup power ready to go.
 
Supported Devices: 

Video Doorbell 2
Video Doorbell 3
Video Doorbell 3 Plus
Video Doorbell 4
Battery Doorbell Plus
Battery Doorbell Pro
Outdoor Cam Plus
Stick Up Cam (all generations)
Stick Up Cam Pro
Spotlight Cam
Spotlight Cam Plus
Spotlight Cam Pro
Peephole Cam
Solar Floodlight