Nite ize led upgrade ii for mini maglite description our led combo upgrade kit ll replaces the incandescent bulb of a aa mini maglite with a bright white led and upgrades the tailcap of the aa mini maglite with a simple push button tail cap switch your incandescent aa mini maglite will not only be easier and more convenient to operate it will be brighter and more energy efficient the led lasts a virtual lifetime and uses less power giving you over four times the battery life of the