Features and Benefits: * 3 Cell, 3.6 Volt Ni-MH Sub C battery stick * Rechargeable up to 1000 times * Lightweight design * Rechargeability cuts down on battery replacement waste and costs For use with Streamlight Stinger, Stinger XT, Stinger LED/DS, LED/LED, HP/DS LED, HP/LED, HL/DS LED, HL, PolyStinger, PolyStinger LED/DS LED.