The SureFire SFLFP123 rechargeable batteries offer a reliable power solution for your SureFire illumination devices including WeaponLights and hands-free lights. With a lithium iron phosphate composition these batteries deliver a nominal voltage of 3.2 volts and a capacity of 450 mAh. Ideal for those who value sustainability they maintain approximately 80% of their original capacity even after extensive use. These batteries charge fully in just three hours making them a practical choice for both home and on-the-go use. Please note they are not compatible with incandescent illumination tools. Choose the SFLFP123 for a cost-effective and eco-friendly energy source.