The SFLFP123-KIT is an ideal choice for customers who prefer rechargeable 123A cells for powering SureFire illumination tools, such as Weapon Lights and hands-free lights. Although they don’t match the capacity of SureFire 123A lithium primary cells, SFLFP123 cells are safe, cost-effective, and retain about 80 percent of their original capacity after hundreds of charging cycles. The included smart charger can fully charge two batteries in three hours, providing convenience at home, in the office, or in your vehicle.