Ring Doorbell 2 Battery Backup For Ring Video Doorbell 2/3/4/Ring Stick Up Cam Battery, Quick-Release For Video Doorbell 2.6040 MAh, 3.65 V, 22 Wh, Ring Battery Pack Quick Release For Video Doorbell 2 & Spotlight Cam (1 6040mAh Quick-release Battery Pack Fully compatible: the replacement battery is 100% compatible with Ring-Doorbell Camera 1, 2, 3 and 4, Spotlight Camera and Stick Up Camera. Quick-Release for Video Doorbell 2.6040 mAh, 3.65 V, 22 Wh, Ring Battery Pack Quick Release for Video Doorbell 2 & Spotlight Cam (1 Piece) · Amazon Amazon Multiple charging options: the battery can be charged with any 5 V USB port such as PC, car charger or power bank etc. How Long To Charge Ring Stick Up Cam Battery 2 Packs 6040mAh Rechargeable Battery and Dual USB Charging Station Compatible with Ring, for Video Doorbell 2/3/4 and Spotlight Cam Battery 3., 65V Lithium-Ion Batteries (Not for Stick Up Cam) New Rechargeable Battery V4 For Ring Video DoorBell 2 3 4 Quick Release LED and charger: Dual charging stations allow you to charge up to two batteries at the same time, LED lights indicate the charging status of both batteries, simply slide the battery down into the charging slot to charge and lower it until the LED light shows the charging status.