A flashlight with a rotatable lamp head is provided. The lamp head pivots
about two cylindrical coaxial electrical connectors. The lamp head also
includes reflector having a major parabolic reflective surface and a
minor reflective parabolic surface. The reflector is configured so that
the minor reflective surface is nested within the major reflective
surface. The flashlight also includes a series of fluid-tight seals to
insure that the flashlight is waterproof. In addition, a flapper valve is
provided to function as a one-way valve allowing the release of gases
produced by the use of the batters, and preventing fluid from entering
the flashlight. A battery charger is also provided to recharge a battery
pack for the flashlight.