Streamlight 77175 Battery Stick for SL-20XP-LED UltraStinger Flashlight Go to amazon.com Related posts How to buy the best streamlight stinger battery? Best stinger flashlight battery for 2022 FeatureType: Battery Stick(Nickel Cadmium Batteries)Fits: SuperStinger & UltraStinger DescriptionBattery stick (Nickel Cadmium Batteries) Fits: SuperStinger & UltraStinger Length: 8 3/8" Diameter: 7/8".