This is the bulb that I bought 6 of at about $4.00 apiece.
5 of them quit operating quickly, I’m sure it wasn’t the LEDs but the electronics that failed, any theories on why these failed, and some say that the cheap flashlights sometimes lose one or more LEDs?
http://www.geeks.com/details.asp?InvtId=18-LED-CLR&cpc=RECOM
LEDs, as with anything, are dependent upon quality control and good manufacturing techniques. An LED “P-N” junction is extremely small, compared to the actual size..................