Stinger Rechargeable Battery Stick, 5-Cell, 6V NiCad
Choose a battery that you can use again and again, with a battery stick that is rechargeable up to 1000 times. Battery stick provides steady, consistent service, supplying light for up to eleven and a half hours without needing a recharge. Designed for use with the SL-20XP® LED Rechargeable Flashlight (sold separately). Battery Type: Rechargeable; Battery Size: 6V; For Use With: SL-20XP LED Flashlights; UltraStingers; Voltage: 6V.