Replacement lithium battery for Streamlight® Scorpion, Twin-Task TT-1L, TT-2L, TL-2, TL-2LED, TL-3, TL-3LED, NF-2, TLR-1, TLR-2 Flashlights. The 3-Volt lithium battery has a shelf life of nearly ten years.Lithium Battery SafetyWarning – Fire, Explosion, Burn Hazard:Streamlight® recommends the use of Streamlight, Panasonic, Sanyo, or Energizer CR123A or Duracell 123 with it's non-rechargeable lithium battery products. Use of other batteries or mixing of used and new or different brand batteries may present a risk of leakage, fire, explosion and serious personal injury. Do not recharge, misuse, short circuit, improperly store or discard, disassemble or heat above 212° F (100° C). Keep away from children.