About this item:Battery Type: voltage:3.65V; capacity:6040mAh/22.46Wh. Premium li-ion cells for longer battery life with no memory effect. Batteries can be charged or discharged at any time without harm.Compatible Models: Compatible with Ring-Doorbell-Camera 2/3/4/3plus, Stick Up Cam Battery (2nd and 3rd Gen), Peephole Cam, Spotlight Cam, and Smart Lighting Solar Floodlight.LED Instructions: It is easy to diagnose the charging status through the changing of red and green indicators. When red and green lights are on, the battery is starting charging. When the 2 lights both green, the battery is fully charged.Multiple Protection: Built-in Multiple Circuit Protection From Overcharging, Short-circuiting, Overheating, And Over-voltage to Assure You and Your Devic.