In time, even rechargeable batteries don't perform as well as they did when they were new. This NiCd rechargeable battery is compatible with most of Streamlight's Stinger Xenon and LED series : XT, Stinger, Stinger LED, DS LED, LED HP, DS LED HP, Ultra Stinger, and PolyStinger, LED and DS LED flashlights to restore your rechargeable flashlight to its factory strength.