Streamlight Vulcan & Fire Vulcan Rechargeable Lanterns Streamlight Fire Vulcan Streamlight Vulcan Streamlight Vulcan Flashlight. The introduction of the Vulcan® several years ago represented a major breakthrough. It was the first truly safety approved compact, lightweight, waterproof lantern that was big on power. And talk about tough! It's almost impossible to destroy a Vulcan®. Buildings collaspe on them, trucks drive over them, fires scorch them, and they keep on shining. Their compact size and durable waterproof construction, combined wiht a powerful beam and rechargeability, make the Vulcan® series ideal for the most demanding jobs.