Yes, security cameras can run on battery. Battery-powered wireless security cameras are a great option for homeowners who don’t have access to an outlet near the camera’s location or want to be able to move their camera without having to worry about power cords. These types of systems typically come with rechargeable batteries that only need to be recharged every few months depending on how often they are used. Additionally, some models offer solar panel technology that can help extend the life of your battery by harnessing energy from the sun during daylight hours and using it as needed when darkness falls.