The Duracell CR123A is a professional-grade 3V lithium battery designed to power high-drain electronic devices such as digital cameras, flashlights, security systems, medical devices, and smart sensors. Known for its long-lasting power, high energy density, and reliable performance, this battery delivers consistent voltage output even in extreme temperatures. With a leak-resistant design and up to 10 years of shelf life, the CR123A is trusted for both everyday and mission-critical applications.