I had an opportunity to buy a SureFire 8NX415 at a good price. I charged up both batteries, and made some really disappointing discoveries: 1) Even right off of the charger, the 8NX isn't as bright as my 9P. The 8NX should be a little bit brighter, according to the numbers. The 9P is both brighter, and whiter, by a considerable margin. After running the 8NX for about 5 minutes, it is not as bright as it is when the battery first comes off the charger, (this is to be expected, of course). At this point, it is putting out a little more light than my 6P, but because it's much more yellow, it looks like about the same amount of light. Sorry, I don't have any instruments, just my eyes on the white ceiling of a dark room, last night. Taking it outside showed that the amount of useable light from the 8NX is virtually identical to my 6P. I was expecting output that equaled my 9P, but I'm certainly not getting it. My conclusion? I just flushed over $100 down the toilet, for this over rated light; and the much less expensive Streamlight Stinger HP, and UltraStinger, which I own, are vastly superior lights, at substantially lower prices. Just what I wanted: a light twice as big as my 6P, that cost twice as much as my 6P, but only puts out the same amount of light as my 6P. I'm really ahead on this purchase...
This is the first time I've *ever* been disappointed by a SureFire light, but this is a *really* big disappointment. Unfortunately, I cannot return this light, or it would be in the mail first thing Monday morning. BTW: I did cycle both of the batteries several times, which made no difference. The voltage is identical to a fully charged Streamlight 3 cell battery pack, which makes sense, since they both use 3 standard sub C NiCads.
This is the first time I've *ever* been disappointed by a SureFire light, but this is a *really* big disappointment. Unfortunately, I cannot return this light, or it would be in the mail first thing Monday morning. BTW: I did cycle both of the batteries several times, which made no difference. The voltage is identical to a fully charged Streamlight 3 cell battery pack, which makes sense, since they both use 3 standard sub C NiCads.