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You can buy a FlexBlock Driver and it will boost the voltage up to 48v DC. See the details below. FlexBlock - 700mA Constant Current LED Driver with Dimming The only downside is I wanted to run the LED's at 1000mA to get a 2200 lumen output. However, I guess I have to be happy with 1600 lumens.

Deleted: Found the answer

I like this design and just for full disclosure, I will probably "borrow" it! Thank you for the help.

Hey Brian! I hope you had a great time on our side of the mountains! I wish the weather could have been warmer but hey, you take what you can get this time of year! Thank you for the help. I will try what you suggest and just use the aluminum housing as the heat sink! I look forward to...

I thought the same thing. Originally I thought about putting in a smaller heatsink (mainly to mount the LED Star and optic to) and relying on the ~50 degree water to cool it. How would I calculate the heat that would be generated during the dive? I'm looking at using the 3-up LED star with...

I have searched and searched the interwebs and this forum and yet cannot find the info. Where can I get a heatsink capable of fitting inside of a Maglite that can dissipate heat from a CREE XPG2 3-up LED star running 12v and pulling 1400mA? I found one on LEDSupply.com but it is 1.5" in...

This would be cool!

Which batteries do you recommend? It is so hard to find good ones. I only ordered these from Karik because I trusted their product. I guess $35 is a cheap lesson to learn in the realm of things.

I'm more concerned about the phone being "No Longer In Service". Companies don't "forget" to pay the phone bill. Either way, ignoring dealers, being on the road and not following through is a major concern. I figure I'm out the money for the two batteries, I'm just glad I didn't order a light.

I wondered the same thing since I bought one a few weeks ago and liked the output, burned for more than 2 hours over the course of 2 dives and I didn't see any diminished output. The charger sucked, to put it bluntly. I ended up using a different charger that I already owned. I was going to...

Wow! I have been practicing the other test and am not ashamed to say I am somewhat relieved with this new test, since I can already do these activities.

Yep that's them! Thank you for the help. On a side note, viz was good around the pilings but not so good around the jetty. Oh and the Ling Cod fishermen were out in force. Not a single parking spot available. We had to "make our own" parking spot.

that I haven't ever seen before. It was right after we went under in the sandy area at about 7 fsw. A bunch of what looked like eels, that were a red color and just a few inches long came out of the sand and hid in the red kelp not too far away. I looked in my Whelks to Whales but the only...