Very good spare battery pack for Ring systems.
Crutchfield Customer Review (What's this?)
Purchased this batter pack as a spare for my Ring Doorbell and Spot light camera system,works as advertised, reasonably priced.
Pros: Reasonably priced Long-lasting with constant video motion system recording Easily snaps into and out of compatible Ring Video Doorbell 2 or Spotlight cameras
Cons: Takes very long to fully charge