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Thread: Problems with P60 Host (solar force l2m)

  1. #1

    Default Problems with P60 Host (solar force l2m)

    My solar force l2m arrived today. Only problem is it doesn't work. I'm baffled because its just a host. When I use known good lamps (p60 or p61) with known good batteries (cr123a, 18650, 18630), the light doesn't come on. It only comes on if I leave the switch clicked in and tail cap tightened and I unscrew the head about half way out. Any idea what is happening? Using these lamps and batteries in a 6p works flawlessly.

  2. #2
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    archimedes's Avatar
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    Default Re: Problems with P60 Host (solar force l2m)

    Most likely some sort of contact issue ....
    ... is the archimedes peak

  3. #3

    Default Re: Problems with P60 Host (solar force l2m)

    Quote Originally Posted by archimedes View Post
    Most likely some sort of contact issue ....

    So, since it is brand new, should I just send it back?

  4. #4
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    Default Re: Problems with P60 Host (solar force l2m)

    P60 are not a perfect fit for Solarforce (as they were designed for SureFire hosts) ... but can usually be "adjusted" to work

    Solarforce has their own dropins, designed for appropriate fitment into their hosts.
    ... is the archimedes peak

  5. #5

    Default Re: Problems with P60 Host (solar force l2m)

    Oh okay. I didnít realize that. I have a couple from lumensfactory on the way so I will wait to see how those work

  6. #6
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    Default Re: Problems with P60 Host (solar force l2m)

    I don't know how to easily describe it in words, but if you look inside of a SureFire host and a Solarforce host, the "shelf" for the dropin is shaped a bit differently
    ... is the archimedes peak

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    Default Re: Problems with P60 Host (solar force l2m)

    Quote Originally Posted by archimedes View Post
    Most likely some sort of contact issue ....
    +1 what archimedes said, more than likely it's a contact issue.

    Could be you're missing the P60 drop-ins outer spring.

    That spring provides electrical continuity between the brass/metal "pill" and the flashlight body/battery ground. The fact that it works with the head loose means the tailcap is good.
    "may you live light and phosphor" - Mr. Spark

  8. #8

    Default Re: Problems with P60 Host (solar force l2m)

    make sure the switch retaining ring is screwed down tight i've had this problem before and once everything is screwed up tight light worked no problem.

  9. #9
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    Default Re: Problems with P60 Host (solar force l2m)

    While you wait for more drop ins to come, try something quick first. Wrap the bottom half of you p60 with tin foil or aluminum foil cut from coke so that it touches the negative of the drop in, and the inner wall of the light. This may make the contact.

  10. #10

    Default Re: Problems with P60 Host (solar force l2m)

    What I have found is P60 hosts sit too far forward in the Solar Force head. A drop in spring reaches the battery, yes but solid contact is not made.

    You either do something to push the drop in towards the battery like an o-ring between the lens and drop in. Or make battery contact move forward by using the large spring of a P60, a SolarForce drop in etc. Or you can wrap the module in foil to bring make the contact points reach each other in the middle somewhere.

    It just depends on which of the three would be best for you. But all three ways have been known to work.
    John 3:16
    " If you can see on & off engraved on it you don't need a flashlight" -PK

  11. #11

    Default Re: Problems with P60 Host (solar force l2m)

    Quote Originally Posted by pc_light View Post
    +1 what archimedes said, more than likely it's a contact issue.

    Could be you're missing the P60 drop-ins outer spring.

    That spring provides electrical continuity between the brass/metal "pill" and the flashlight body/battery ground. The fact that it works with the head loose means the tailcap is good.
    You're right about the switch because I've tried other known-good switches and its the same behavior. I think the P60 has its spring. I tried multiple P60s and a P61. Do the P60s from surefire normally work in Solarforce hosts?

  12. #12

    Default Re: Problems with P60 Host (solar force l2m)

    Sounds like the aluminum foil is worth a try. I can't really visualize how to do this though. Anyone have any pictures? Am I wrapping the springs or the back of the reflector?

  13. #13
    nfetterly's Avatar
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    Default Re: Problems with P60 Host (solar force l2m)

    Surefire hosts taper to meet the tapered crop-in.

    Solarforce hosts are almost a straight drop-in. Sometimes when you buy an aftermarket drop-in they include an outer spring that goes around the drop-in - and makes contact with a solarforce - but you remove that spring for use in a Surefire.

    So with the foil you're wrapping the outer taper above where the spring comes out of the bottom.

    Too busy at work to wrap my head around why it works partially unscrewed.


  14. #14
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    Default Re: Problems with P60 Host (solar force l2m)

    Look up Vinh video. How to wrap a p60 drop in
    TOOLvn,TN36UTvn,TN32UTvn,SK68vn,SK98vn,M2Xvn,P60vn quad <<bit of a theme. several variations of S1Baton, srMini, Factor Equipment ghost 130, Cossatot 1000xl, Mizpah 300 Reylight copper tool

  15. #15

    Default Re: Problems with P60 Host (solar force l2m)

    Thanks for all the info! I think I have it figured out now.

  16. #16

    Default Re: Problems with P60 Host (solar force l2m)

    Quote Originally Posted by Lumen83 View Post
    Thanks for all the info! I think I have it figured out now.
    Well?....

    Wudya end up doing?
    John 3:16
    " If you can see on & off engraved on it you don't need a flashlight" -PK

  17. #17

    Default Re: Problems with P60 Host (solar force l2m)

    Quote Originally Posted by bykfixer View Post
    Well?....

    Wudya end up doing?
    Still at work, but gonna try tin foil when I get home. The thing is, I basically just learned about these lamps that they're best suited for cr123a primaries. And, I bought the host for 18mm rechargeables. I probably wont use these lamps in the host anyway. Im waiting for 3.7v LED and a 3.7v incan lamp from lumensfactory. Those will hopefully work. If not, I'll have to figure out the tin foil or some other trick. Probably will just test the p60 with the tin foil and then set it aside for good.

  18. #18
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    Default Re: Problems with P60 Host (solar force l2m)

    The lumens factory incandescent drop ins work excellent in a solarforce host. Actually I've never had contact issues with their hosts and j have half a dozen of them. Used a p91 with no issues

  19. #19
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    Default Re: Problems with P60 Host (solar force l2m)

    Quote Originally Posted by vicv View Post
    The lumens factory incandescent drop ins work excellent in a solarforce host. Actually I've never had contact issues with their hosts and j have half a dozen of them. Used a p91 with no issues
    A P91 with two imr 18350s kicks some major A$$. Even better if you have the AW soft start 3 level switch in the tail.


  20. #20
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    Default Re: Problems with P60 Host (solar force l2m)

    I always wanted one of those aw soft-start switches but I was too late to the game and I've never found one. But yes that lamp on those two cells are amazing. Too bad it didn't last me very long though. Still better than a eo9 though I only got about 2 hours out of one of those before it went

  21. #21

    Default Re: Problems with P60 Host (solar force l2m)

    What is the soft start switch? Would the two 18350s be better than one 18650?

  22. #22
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    Default Re: Problems with P60 Host (solar force l2m)

    Quote Originally Posted by Lumen83 View Post
    What is the soft start switch? ....
    http://www.candlepowerforums.com/vb/...eries-Tail-Cap
    ... is the archimedes peak

  23. #23
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    Default Re: Problems with P60 Host (solar force l2m)

    One 18650 won't properly run a 9v lamp. Will barely emit light. One cell is perfect for a 3.7v lamp though. The lumens factory eo4 is excellent one cell lamp

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