A flashlight includes a battery and a circuit for operation to signal to a user that the battery voltage is at selected voltage or power level. There can be two switches each being for operating a light emitting source of the flashlight. The switches are linked 3-way switches and have momentary-on functionality. An enlarged head is located above the barrel and there is the intermediate portion between the head and the barrel. The intermediate portion receives part of the first switch. The second switch is located in part of the tail cap of the flashlight.