High quality LED retrofits 2 to 6 D or C battery cell incandescent Maglites including the new Mag-Num Star II Xenon bi-pin bulb fitted to later Maglites. This new version now works in 2 D/C cell Maglites, 300 lumens, 360 lumens with 3 to 6 cells.<br> For the Mag-Num Star Xenon bulb please remove the bi-pin bulb and white plastic bulb holder from the socket. <br>Interchangeable between old and new style incandescent Maglites.<br>UpLED's larger CNC Bulbs have More Metal/Mass = Better Heatsinking/Convection = Brighter Performance.<br> Unlike many other LEDs this has overheat protection to prevent damage. <br> Electronically regulated to maintain a non-dimming light. Only dims towards end of battery life.<br> 4 times longer runtime on 3 D battery cells, over 15 hours <br>Fits Maglite incandescent Flashlights only. <br> Does NOT fit the Rechargeable Mag Charger or other flashlight brands. <br>Separately we sell a superb Ultra Clear Crystal Glass Lens with AR Coating for D/C Maglites, $4.95. When bought with this LED no additional shipping charge. Please see our other items.<br> <br><br> LEGAL DISCLAIMER: MAG-LITE is a trademark of Mag Instrument, Inc. as is the circumferential inscription around the face caps of all of Mag Instrument flashlights. Mag Instrument flashlights are shown here for illustration only. UpLED is not affiliated with Mag Instrument, Inc. and its products are not made, endorsed or sponsored by Mag Instrument, Inc