No Standalone lithium batteries are sold with the product; Fuel Option 1: 18650 Single Output option: 80,000 Candela / 1,100 Lumens / 75 minutes; Fuel Option 2: Two CR123A (not included) Output 70,000 Candela / 400 Lumens / 70 minutes; The brightness is fully programmable, incredibly simple, and intuitive; with 5 modes, you configure how you need it; Negligent Discharge Protection System - allows you to configure your tail cap to your needs and usage; In the box: the light measuring in at 5.18 inch x 1.20 in dia, 5.71 oz, battery charger, 3 ND protectors, pocket clip