I had high hopes as this would be used in a 20+ year old Krypton Maglite for which this lamp was designed. Well it seemed to work, but not really. It was glowing and quite bright at times, but full brightness was rare and the light flickered constantly when trying to adjust the beam pattern. In flood mode, the connection was very poor and barely noticeable as an incandescent bulb. Not only that, but in the design the classic "black hole" that all Maglites are known for was much larger due to the lamp's square shape with shoulders. , but at least for my 2 cell it was a waste of time. I gave an extra star because it fit correctly and turned on, but other than that it didn't work for me.
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