Feature: 1. Rechargeable: Li ion rechargeable battery compatible with ring 3.65v 6040mah, professional replacement. Premium li ion cells for longer battery life with no memory effect. Batteries can be charged or discharged at any time without harm. 2. Lighting Design: Charging light displays orange, green LED light. Fully charged green LED light on, orange LED light off. Compatible for ring video doorbell 2 3 4 generation and spotlight cameras. 3. Multiple Protection: Ring batteries built in multi circuit protection to prevent overcharging, short circuit, overheating and overvoltage to ensure complete protection for you and your devices. 4. Environmental Protection: The doorbell battery can recharged 1200 times, the use and replacement of disposable batteries to protect the environment is very environmentally friendly. 5. Easy To Install: Newly design for battery release and battery installation, as easy as the original battery release. Quick release tags make it easy to install the battery and you'll always have backup power. Specification: Item Type: Ring Rechargeable Battery Material: Plastic Weight: Approx. 137g / 4.8oz Battery Type: Lithium Battery Battery Capacity: 6040mah (Shipped With Supporting Battery). Package List: 1 x Ring Rechargeable Battery1 x USB Cable