2-Pack Ring Rechargeable 6040mAh Battery V4 with Charger Station for Ring-Doorbell Camera 2/3/4, Spotlight Camera & Stick Up Cam Battery

• The battery can perfectly replace the original battery and has a larger capacity, Work with Doorbell Camera 2/3/4,Ring Camera Battery, Spotlight Camera
• This battery charger using general USB cable and-C port input (5V/2.1A), can charge wherever there is a USB jack or cable by just connecting with laptop, car adapter and power bank. 
• Ring Batteries Features four layers of protection (over-charging, short-circuit, high-temperature, and surge protection) with a high-quality, fire-resistant construction
• Li-ion Rechargeable Battery for Ring, 3.65V 6040mAh Professional Replacement Battery. Premium Li-ion Cells for Longer Battery Life with no Memory Effect. Batteries Can be Charged or Discharged at Any Time Without Harm.