Crosses arms and nods head like Genie.
Done.
Post #4, main GT thread.
Thank you so much Jason, you are a top guy! That will help dummies like me so much! :laughing:
Have a gold star for your work! or some sushi? 
Wow… is that actually an o-ring, or a lifebuoy? 
Hmmm, I’m not sure what you mean. You can’t really see the o-ring in my earlier pictures. Here it is.
.
He must have thought the bezel was the o-ring by his “life bouy” description.
Nah I’ve got poor vision - that’s what happens when I view BLF on my phone instead of my PC (while still feeling inebriated from the night before)! 
For anyone who wants to use Flat top cells, you can do it by unsoldering the spacers in the battery carrier. I showed the pics here: https://1lumen.com/18650-reviews/blf-gt/#battery-carrier-blf-gt
Guys please remember that if you follow ChibiM excellent pics and tutorial on removing the spacers on the gt battery carriers you will be removing the only protection the gt has for installing the batteries the wrong way. As long as you are careful, no problem, however it only has to happen once to really screw up this monster light. Cheers!
+1… Well said.
Also remember you are on your own if you decide to do this.
If you screw up that one time & burn or blow up your light… don’t complain. You did it to yourself. Any warranty WILL NOT apply. 
BE CAREFUL IF YOU DO THIS!!!
Yes people please be careful!
And all of you members in the U.S. that have those older battery carrier lights, Acebeam Lumintop, Phoenix, Thrunite and such, I’m willing as a public service to take those off your hands, so PM me and we will set something up (might be willing to pay for shipping for the really dangerous/possibly lethal 6-8 cell non protected carrier lights) so I can dispose of them properly for you!
So please, do it now, before it’s too late!
I can help about this and take care of EU users 
I knew somebody would step up and help out our BLF European Brothers and Sisters!
I commend your for your brave and selfless service to the BLF community Sir! 
:+1:
I sold an HID light several years ago because the battery died, this was before I realized it could be rebuilt for less then the $80 they wanted for a new battery.
Texas_Ace, chrisc
Out of curiosity, did anything ever happen with The Gadget Show?
Would be very interesting to see how much they can misrepresent a light like this because “its too big”. Its been many years since I have watched an episode and not needed a heap of salt to go with what they say…
how did you got it open?
With this ones:
https://www.amazon.de/gp/product/B003XMWQOU/ref=oh_aui_detailpage_o02_s00?ie=UTF8&psc=1
It doesn´t work with mine BLF GT.
Did you loosen the head first?
I showed how I did it in post #93.
Loosen the head first, then the bezel if you need to.
+1 +2 +3
Yep. Only do at your own risk.....
I have no idea actually. ChrisC was the one talking to them and I never heard anything more after the last contact with them.
Well, the gadget show has its own thread:
after someplaying i found time to notice my Turbo is only 7% more Lumens (ceilingbounce in 3 locations) than full ramp :(
using my BenchPowerSupply (@16,8V) it draws 1,9A full ramped and 2,5A on Turbo
any idea?
btw:
using 4 30Q BT i get 1% lower numbers in front cage, and 3% lower numbers in rear cage