The SureFire 123A 2ct High-Performance Lithium Batteries SF2-CB are designed to provide reliable power for high-drain devices such as flashlights and weaponlights. These batteries offer a 10-year shelf life, ensuring they are ready for use whenever you need them. With a voltage of 3 volts and a capacity of 1550mAh, they deliver consistent and long-lasting performance. The SF2-CB batteries are built with wide temperature tolerance and heat protection, making them suitable for use in various environmental conditions. Manufactured in the USA to meet SureFire's stringent quality standards, these lithium batteries are an excellent choice for both professional and personal use. SureFire 123A 2ct High-Performance Lithium Batteries SF2-CB