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  1. Changchung

    Current Promotions & Discounts

    Helloo... any coupon code avaliable pleaseee??? I want a wizard pro v3 xhp50... Thanksss
  2. Changchung

    4 CREE XHP50 S/P With 4 18650

    Any option work for me, Maybe I explain wrong, but this was my idea, run 2s2p Leds with 4 18650 in serie
  3. Changchung

    4 CREE XHP50 S/P With 4 18650

    Hi guys, easy question, can I run 2 groups of 2 Cree XHP50 in serie and this 2 in parallel with 4 18650 in serie direct drive? Thanks
  4. Changchung

    Good deal Radioshack 26650

    Hi guys, I just see that I think is a good deal. A pair of 26650 3500mAh protected for 9.97$
  5. Changchung

    Best single 18650 Flashlight

    My favorite is the DQG Tiny Ⅲ
  6. Changchung

    Test/Review of Imren IMR18650 3000mAh (Purple)

    Great, thanks for share, where can we get this batts?
  7. Changchung

    How long can you keep 18650 in light w/out use?

    In my lights I unscrewed the tail cap a little.
  8. Changchung

    Possibly the worst 18650s around - 9800mAh(!) UltraFire

    The best destiny for those batts is been dead... Hahahaa
  9. Changchung

    Possibly the worst 18650s around - 9800mAh(!) UltraFire

    This is no new in this forum, if everybody read or ask before buy any 18650 this dont happen... All the XXXXfire batteries are just crap... I dont know how much you pay for, but just for the record, I just get 12 panasonic 3400 for 38$ from a reliable USA seller.
  10. Changchung

    Is the switch to 18650 worth it?

    I have a zebra h60 and I use the old 18650 2250 for maybe 8 years, now I am using sanyo 2800 and I charge those batts like 4 times a week, and for my h600w I am using pana 3400. Dont worry about the charges...
  11. Changchung

    1W Christmas LED to be powered by 18650

    I am pretty sure that you can use a single 18650 but I will recomend you use a protected to avoid low discharge the battery
  12. Changchung

    3 different headlamps - which should take protected cells?

    I have a H600w and no one of my four 3400 panasonic protected fit, flat top and button top. The button top maybe go in but tight. I dont put it all way in.
  13. Changchung

    3 different headlamps - which should take protected cells?

    Ok, first, NOBODY touch my lights... [emoji12][emoji12][emoji12] I have a magmod with 4xml with 4 18650 in serie, I am prudent with it, never had problem, and all my lights has low level volt warning.
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