CR123. The Duracell S328 CR123 3V lithium battery is a high-performance, long-lasting power source designed for cameras, flashlights, and security devices. It delivers reliable energy and superior performance in extreme temperatures. Engineered for safety and efficiency, this battery provides consistent voltage output and leak-resistant construction for dependable operation.. Blister packed. 3V Lithium Battery. Suitability includes smart home devices, torches and bike accessories.