Back-Up Battery for Ring Doorbell Camera 2/3/4 - 2 Pack 7.0Ah + Charger Station
Universal Compatibility - Works withRing Video Doorbell 2/3/3+/4, Stick Up Cam, Spotlight Cam, and more (see full list below). 1× Charging Dock. Micro-USB Charging - Use any phone adapter/power bank (cable included).