Next, this is a “dual-fuel” flashlight, meaning it runs on both an included USB-C rechargeable battery and any AA batteries ...

We thought so. Listen up: We tested 15 AA batteries—the type typically used in digital cameras, flashlights, toys, radios, and remote controls—and found differences in performance and cost.

AA batteries models like the Coppertop Duralock AA Alkaline are rated on multiple criteria, such as those listed below. Flashlight: This is based on the total hours of flashlight life a cell ...