Rechargeable lithium Water, impact-resistant Anti-roll head prevents the light from rolling away when placed on a flat surface Streamlights ProTac HL-X is a complete rechargeable system that includes Streamlights USB battery with an integrated USB charge port. This versatile, multi-fuel flashlight also accepts CR123A lithium batteries, ensuring youll always have a beam when you need it.table.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }