Get maximum energy longevity for your high-drain coin-operated devices with 5 Star CR2450 3V Lithium Coin Cell Batteries. As one of the largest coin cell sizes available, this 4-pack is engineered to handle heavy power loads with five-star efficiency. Subject to strict manufacturing metrics, they offer a dense power reservoir for the modern office and smart home. Ideal for high-use smart home sensors, tracking tags, and advanced security peripherals that demand robust, long-term power.