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Old 11-17-2014, 05:44 AM #1
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Default 250mW laser broken

Ok guys so my 250 mw laser is broken , its a green laser. If this helps on the front it says YL-Laser 303 . Ok so it was working fine until i opened the back ( where the battery goes in ) and saw that the spring was bent . Being the dumb nut I am i took a pen and straightened it out now it doesnt work and everytime i put in the battery the spring gets bent again . I dont have a soldering iron , the laser can be seperated into 3 parts . First is the cover in the front , secound is the laser module itself and the case ( the part with the button in the middle) and lastly the back which covers the battery . I have no idea if this has anything to do with this problem but to make the laser work You have to unlock it with a key in the back and then you can press the button . The battery type or number is 18650 if that helps. Please help



Last edited by ARG; 11-20-2014 at 11:11 PM. Reason: fixed the units in the title
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Old 11-17-2014, 06:22 AM #2
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Default Re: 250Mw laser broken

Do this simple test to see and get back to me. Plug in your battery correctly and leave the tail cap off. Next take a piece of metal and connect one end to the bare threads of the case and the other end to the battery and see if the laser will turn on. If it does then your tail cap is faulty.
Be very careful when doing this. Don't drop your laser and wear your safety glasses at all times.
Get back to me.
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Old 11-17-2014, 06:25 AM #3
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Default Re: 250Mw laser broken

I'm not understanding what you are saying sorry
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Old 11-17-2014, 06:42 AM #4
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Default Re: 250Mw laser broken

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Originally Posted by mrmark0123 View Post
I'm not understanding what you are saying sorry
Just put a piece of foil over the battery and the end of the laser you screw the tailcap on and see if it turns on.
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Old 11-18-2014, 02:20 AM #5
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Default Re: 250Mw laser broken



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Old 11-18-2014, 03:32 AM #6
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Default Re: 250Mw laser broken

only without the tail cap on. So did it work?
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Old 11-18-2014, 01:14 PM #7
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Default Re: 250Mw laser broken

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Originally Posted by VisibleGreen View Post
only without the tail cap on.
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Old 11-20-2014, 12:21 AM #8
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Default Re: 250Mw laser broken

I do not have tin foil srry didn't have my phone for the week
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Old 11-20-2014, 12:34 AM #9
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Default Re: 250Mw laser broken

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I do not have tin foil srry didn't have my phone for the week
You can do it with a paper clip too
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Old 11-20-2014, 12:37 AM #10
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Default Re: 250Mw laser broken

Did not wor
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Old 11-20-2014, 12:37 AM #11
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Default Re: 250Mw laser broken

Didn't work
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Old 11-20-2014, 01:10 AM #12
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Default Re: 250Mw laser broken

Then it's not the tailcap which is bad.

Just checking, you avoided the black anodized area when you used the paper clip on the laser right? You have to touch the exposed threads. It's shiny.

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Old 11-20-2014, 01:17 AM #13
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Default Re: 250Mw laser broken

Yes i did that still not working
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Old 11-20-2014, 01:20 AM #14
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Default Re: 250Mw laser broken

If you were to know how to fix it i can ship it to you and you can do it ill give you like $10
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Old 11-20-2014, 02:34 AM #15
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Default Re: 250Mw laser broken

How did it stop working did you drop it?

Oh yeah it bent they skimp on those, bend the metal back over so it touches the rim. This should fix it.

Do you have a power meter?

Last edited by USAbro; 11-20-2014 at 02:36 AM.
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Old 11-20-2014, 04:21 AM #16
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Default Re: 250Mw laser broken

I do not own a power Meyer and what do you mean like bend the spring so it touches the laser casing or housing?
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