Designed for the Dorcy 41-2510 Series of LED Flashlights, this battery holder accommodates 3 AA batteries (batteries not included). It's compatible with both the 55 Lumen and 150 Lumen versions of the lights, as well as with flashlight models 41-2508, 41-2509, 41-2510, 41-2511, 41-2513, and 41-2514. Enhance your flashlight experience with this accessory (Model: 41-8051).