Meet your lighting needs with the high-capacity 1800mAh Ni-CD battery. This 6V flashlight battery is perfect for various Streamlight flashlights, including the Stinger series. Ensure you choose the right battery for your model—this product is not compatible with SL20X, SL20XP, SL20, SL20X, SL20S, Polystinger, Stinger DS, or Stinger HPL. For optimal performance, replace your 77175, 9926J, 20175, 15X1701, 201701, 25170, or 40070131, 405462100 flashlight batteries with this reliable and compatible option.