Genuine Streamlight Stinger Li-Ion Battery 75176. The Streamlight Stinger li-ion battery fits Streamlight Stinger and PolyStinger models (not Switchblade, UltraStinger or PolyStinger HAZ-LO). The Streamlight Stinger li-ion battery 75716 is a 3.6 volt 2.2Ah 7.92Wh rechargeable battery.