Duracell Coppertop Alkaline Lantern batteries with spring terminals last for up to five years in storage, so you can be confident these batteries will be ready when you need them. They offer long-lasting power for your specialty devices and are built with extra leakage resistance for reliable performance in lanterns. And from storm season to medical needs to the holidays, Duracell is a battery you can trust. Battery Type: Alkaline; Battery Size: 908; For Use With: Lanterns; Flashlights; Voltage: 6 V.