The Ring Rechargeable Battery Pack 5AT3S3 is a high-quality power supply designed for various Ring devices such as the Stick Up Cam, Video Doorbell, Spotlight Cam, and more. Made with durable Li-ion rechargeable batteries, this pack has a capacity of 5960mAh and operates at 3.6V. The sleek black design seamlessly blends in with the environment while providing a reliable power source for your Ring devices. This OEM product is designed by Ring, ensuring compatibility and optimal performance for a seamless smart doorbell experience.