Streamlight® Battery, Replacement, Series: Stylus®, Alkaline Chemical System, 1.5 VDC Nominal, 650 mAh Nominal, AAAA Battery, 5 years Shelf Life, For Use With: Stylus and Stylus Reach Flashlights, 8.3 mm Dia x 0.25 in W x 1.5 in H Dimensions

ITEM FEATURES:

• Long-lasting power
• Provides upto 60 hr of continuous run time