SFLFP123 LITHIUM PHOSPHATE RECHARGEABLE BATTERY Charge. Win. Repeat. The SFLFP123-KIT is the perfect solution for customers who prefer to use rechargeable 123A cells when powering SureFire illumination tools, including Weapon Lights and hands-free lights. While they lack the capacity of SureFire 123A lithium primary cells, SFLFP123 cells are safe to use, cost-effective, and they retain approximately 80% of their original capacity even after hundreds of charging cycles. The included smart charger can fully charge two batteries in three hours, in the convenience of your home, office or vehicle. Note: Do not use rechargeable LFP 123A batteries with incandescent illumination tools. Mfg: Surefire