The Coast XP18R flashlight delivers the brightest-in-class light and four-mode, multi-beam capability powered by a Coast Zithion-X rechargeable battery. This powerhouse features a real-time power indicator plus patented slide-focusing optical technology that shines clean flood light and piercing spotlight with seamless transitions between. Defeat the dark with pure force. The Coast XP18R rechargeable is a Rechargeable Dual Power product that provides the user the convenience and cost savings of Coast's Zithion-X rechargeable power source but can also operate on 6 X AA alkaline batteries so you are never without your light. Charge it up with the battery still inside thanks to the integrated ProTek charging port and battery charging indicator. The XP18R flashlight not only features medium, high, and low output modes but also Coast's signature Turbo Mode for total dominance in the dark. Brightest in class, this weather-proof, and dust-resistant flashlight is constructed of stainless steel and aluminum to fit a square in the palm for single-hand operation in the field. High-textured handle styling ensures a solid grip and increases comfort in the hand. A slide-focusing patented optic puts flood-to-spot beam-shaping capability right at your fingertips, plus the option to use the Beam Lock to set your beam just how you need it.