UL1865K-26 2-Slot 18650 Battery Charger UltraLast Rechargeable Battery, 3.7 V, Lithium Ion, 2.6 Ah, 18650, Raised Positive and Flat Negative This Ultra Last charger is designed specifically for the Ultralast 18650 Rechargeable Lithium Ion Flashlight Battery Please note this charger is not for use with other rechargeable cells 2 Batteries are included