A doorbell camera's battery is drained by how often it wakes, not by how long it is on

Battery capacity is the number every doorbell camera is sold on, and it is the number that explains the least about how long the product actually lasts between charges. A 5000 mAh cell sounds like it should give you a predictable number of weeks, and then the first month in a busy doorway gives you half of what you expected. Nothing is faulty. The capacity was never the variable that mattered…