This holds until you get into the range of the average LED flashlight ... with the strange exception of the Fujitsu Universal Power AA. This battery has very low capacity at lower drains but ...

[Ray’s] breadboard power supply lets you drain the last traces of power from ‘dead’ AA batteries. Electronics that are powered off of disposable alkaline batteries have a cutoff voltage that ...

Is anyone giving or receiving a holiday gift labeled "batteries not included"? We thought so. Listen up: We tested 15 AA batteries—the type typically used in digital cameras, flashlights ...