My Romisen Cree RC-A8 Mod

[mars_mcc]

I figured out a way around having to leave the case slightly loosened to have the original switch work. I removed the original switch (per Ripley's instructions) and added a small piece of 1/2" heat shrink tubing to it, so the base of the switch is covered up, leaving just the spring itself exposed. Then I just put it right back together like it was. This allows me to tighten the case just about all the way up and still have a working 'master' clicky switch on the bottom. (The heat shrink just keeps it from grounding out.)


One issue I had though was getting a good connection between the push nut and the case. I didn't do a very good job with this and ended up epoxying it in place to get it tight. Evidently, this was a really bad idea because it stopped working, oops! I ended up just soldering part of the push nut to the case. It doesn’t look perfect, but it works.

Even with the problems I had, I’m really happy with it. So far it’s my favorite device to use. The shape and size of it feel good and it has decent power and battery life.

Thanks again to Ripley and everyone else posting instructions and pictures. This has turned into a great hobby!

(no, I haven't saved a dime... with all the little stuff I've had to find and and buy, and pay to have shipped... Oh well, I'm chalking it all up as a "hobby loss"!... now to convince my wife...)

[Cisco]

The inside battery space of the Romisen RC-A8 is not long enough to accommodate a protected 16340.The spiderfire fits perfect but it is not protected.The longer protected battery completely compresses the spring to the point that the switch doesn't work or the unit doesn't work at all. The ultrafire Protected 16340's are 3mm longer then unprotected spiderfires. I use only the protected battery's in my mod so I made a 3mm brass ring to extend the battery space. So far no problems and the rear switch has plenty of room to function properly.

Cisco...

[mnealtx]

What about trimming off a single coil of the spring? Would that make enough room for a protected battery?

[Cisco]

What about trimming off a single coil of the spring? Would that make enough room for a protected battery?

The spring length is not the issue, The longer battery completely compresses the spring , wouldn't matter if there was a few coils missing there is just not enough room for the larger battery's. The only other way is to remove the PCB and re-mill the recess back about 2+mm but thats way more complicated then its worth.


Cisco...

[mnealtx]

Ah, I see...thanks for the clarification.

[boondongle]

Can someone post a picture of (or link to) the push nut? I looked at my local Home Depot, and they had multiple 5/16" push nuts, and they all looked different.

[crashtestjeep]

any of the ones without the plastic on them will work drill a hole in the center, thru the open side, then press fit the adapter thru it. It may need some glue to stay in place. I used both kinds from lowes and both worked great! I dont have any by themselves, or id post a pic!

[boondongle]

Okay, thanks. I'm a bit thrown by what appears to be a clover-leaf shape that's stamped out of the nut, though...didn't see anything that looked like it had that.

[crip]

I just did the mod with the 8mm flange nut drilled out n filed on edges worked great. thx Ripley n parapo... no assembly pics, but done pics.. '' crappy cell pics right now,,also added led n 100 ohm resistor.. my new fav its a dripin machine..

don't know if these UltraFire pcb batts just suck or what EDIT just tested one only put out the 3.6 even full charge, the other is working fine.. , they bot fit protected or un.. but the un protected cells work way better,, better vapor the Ultra fires just arnt up to the job..

so don't know if anyone else has come across this but that's whats happening with me..

also.. the main switch works as is no mod with both batts and closes completely..

put better pics up tomorrow..

[Rhetoric Camel]

I wish there was a video how to, I'm more of a video guy than a read the instructions guy. I have 2 sets of batteries and 2 of the flashlights on the way. Will get the other two things when needed. Can't wait to try this just hope I can read as good as I can watch a video.

If anyone has a video tutorial on how to do this that would be great... Going to use 510 atty's on it because that's the style I use and I have plenty of atty's to test it on.

How is the battery life on one of these? With brand new 510 batteries I change about 2.5 - 3 times a day. And is the throat his more with these than with just a 510 battery? And also, is there better or worse flavor produced with the vapor from a mod like this?

New to mods all together, figured I'd pick one I really liked the look of to try. Would buy the real deal from the supplier but that's too much money for me to spend on something like this, and I can customize this if I feel the need to.

Thanks for the tutorial I appreciate it!