The battery life of a Ring Doorbell or Camera such as the Spot Light Cam depends on several factors, including usage, settings, and environmental conditions.  However, on average, a fully charged battery for a Ring Doorbell or Camera can last between 6 to 12 months, depending on the model. The battery life can be affected by factors such as the frequency of motion detection and live view usage, as well as temperature extremes, which can shorten the battery's lifespan. This includes certain features, such as night vision or 24/7 recording, which may also decrease the battery life