Recent content by kaidomain

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  1. kaidomain

    900 lumens my butt..?

    We cannot post any sales information here. There are about fives lights that uses P7. Four of them are DD and one is boost circuit. Out of all of them, I found Aurora P7 the best. I am judging based on beam pattern, reliability, assembly quality, and usable brightness. It's a direct drive with...
  2. kaidomain

    Opinions on build quality

    I think this is the honest ranking: Surefire Olight | Fenix (On par, both have very good QC and design) NiteCore (Not in a place to say too much about it, very good looking) JetBeam (Drive inefficiency, but good looking) Not ranked: ElektroLumens (never have a chance to touch one) HDS...
  3. kaidomain

    900 lumens my butt..?

    Direct drive a P7 C-bin with a fully charged single 18650 does gives you high lumens output at first (500-900 lumens). Light output will drops as battery voltage decrease. This is nothing new. Direct drive a CREE Q5 with an average VF will gives you 250-300lumens for a few seconds as well.
  4. kaidomain

    New Cree R2 Cree LED Buckle Flashlight

    I assembled all of the light myself and it should only draws 1.2-1.3A from a 1.5V|1.7V lithium and runs 85% driver efficiency. The threads are machined to be stronger than a P2D and are treated and lubricated. The head is sealed and built like tank. PM me for service details. K
  5. kaidomain

    New Cree R2 Cree LED Buckle Flashlight

    It goes P3 P4 Q2 Q3 Q4 Q5 R2 R3 R4. Q3 never made it to the market so you can skip it. R2 is still in the lab and are only available in samples only. Try harder with google and the search on CPF.
  6. kaidomain

    BessieBenny's Budget LED (DX/KD etc) Flashlights Review Roundup (Part III)

    Re: Budget Rebel/Cree/Seoul EDC-Sized DX/KD Flashlights Review Roundup (Part III) True. Also the LED is made up of a blue tint die surrounded with some yellow glowing power (not sure if this is the right word?). So don't be surprise with the blue spot and yellow spill. I have 20 GS samples...
  7. kaidomain

    BessieBenny's Budget LED (DX/KD etc) Flashlights Review Roundup (Part III)

    Re: Budget Rebel/Cree/Seoul EDC-Sized DX/KD Flashlights Review Roundup (Part III) Hi Benny (Is your name Benny?): Yes, it's supposed to be glued. So the head does not get accidently turned when you switch the light on and off. This light is meant to be used daily without stuffs falling off...
  8. kaidomain

    BessieBenny's Budget LED (DX/KD etc) Flashlights Review Roundup (Part III)

    Re: Budget Rebel/Cree/Seoul EDC-Sized DX/KD Flashlights Review Roundup (Part III) Lithium will yield same or better output than a NiMH 1000mAh. You will like it. With a standard Duracell coppertop AAA, this current regulated boost circuit will try to obtain enough power from it to regulate...
  9. kaidomain

    protected li-ion voltage bouncing back?

    The battery protection circuit is sealed at the bottom of the cell so I am pretty sure all connection is good. I solder all connecting wires between the LED, battery holder, and the driver, so I don't think anything is hanging loosely.
  10. kaidomain

    P7 what is the difference J or I

    It's Vf bin. J has higher Vf than I, so I runs slightly more efficient.
  11. kaidomain

    protected li-ion voltage bouncing back?

    I was testing a new LED boost circuit with a protected RCR123A sample cell that I have received (4.08V @ no load). The cell is being discharged at around 1A, then up to 1.5A when the light is almost out after an hour. When the protection of Li-ion kicks in and I put it between a meter, it reads...
  12. kaidomain

    Kaidomain Q5 Cree M*g Drop-in review *updated*

    4 cells will go :poof:, don't try it. Yes, the only the 15mm reflector will clear the LED. I will let Jerry know about it. Anyone care to post a runtime between the KD Q5 drop-in versus other semi-direct-driver/boost dropin? :grin2: Kai
  13. kaidomain

    KD 1AAA SCC U-bin SX0H Buckle Flashlight

    Hello, From all appearances, we 're redoing our website. And do put serious effort in trying to cater to you flashlight enthusiasts.. But admittedly, our execution has room for improvement. I have seen complaints from people here that range from inaccurate product descriptions to sudden product...
  14. kaidomain

    KD 1AAA SCC U-bin SX0H Buckle Flashlight

    Hello,
  15. kaidomain

    KD's Q5 Maglite Drop In

    How many 1.2V is used there? The IC is supposed to be used with 2V-4.5V of Vin supply. Kai
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