Old 11-08-2009, 05:08 PM #1
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Default may be a stupid quiestion, but which way does battery go??

just got my first green laser pointer, it is a 50 mw o-like with adjustable focus. it runs off a 18650 battery. i dont want to fry my laser so in any help as to which way to insert the battery would be great! thanks!


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Old 11-08-2009, 05:11 PM #2
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Default Re: may be a stupid quiestion, but which way does battery go??

insert the battery so the spring of the host touches the - of the battery?
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Old 11-08-2009, 05:13 PM #3
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Default Re: may be a stupid quiestion, but which way does battery go??

I think it is case positive.

The negative end goes in first.

My transformable 18650 is like that.
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Old 11-08-2009, 05:15 PM #4
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Default Re: may be a stupid quiestion, but which way does battery go??

Quote:
Originally Posted by Silvershot View Post
insert the battery so the spring of the host touches the - of the battery?
every green I've had is usually case positive, spring of the host touches the positive.

---[==== (- +)]
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Old 11-08-2009, 05:18 PM #5
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Default Re: may be a stupid quiestion, but which way does battery go??

greens are case positive so you put the batteries negative(the flat side) side facing/touching the spring.
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Old 11-08-2009, 05:20 PM #6
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Default Re: may be a stupid quiestion, but which way does battery go??

Ugh, I thought ... anyway. Could the laser fry even if the battery was put the wrong way?
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Old 11-08-2009, 05:21 PM #7
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Default Re: may be a stupid quiestion, but which way does battery go??

In my exeperience the positive pole is always opposite the exit of laser beam...
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Old 11-08-2009, 05:30 PM #8
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Default Re: may be a stupid quiestion, but which way does battery go??

thanks didnt want to fry my laser before i even got a chance to use it
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Old 11-09-2009, 12:39 AM #9
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Default Re: may be a stupid quiestion, but which way does battery go??

You wont fry your laser...


There's a regulator diode to absorb reverse voltage if you put the battery the wrong way...
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Old 11-09-2009, 12:41 AM #10
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Default Re: may be a stupid quiestion, but which way does battery go??

Quote:
Originally Posted by BuildAbluraylaser View Post
You wont fry your laser...


There's a regulator diode to absorb reverse voltage if you put the battery the wrong way...
Didn't Sbdwag fry a laser like that once? I'm pretty sure it was a greenie.
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Old 11-09-2009, 12:54 AM #11
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Default Re: may be a stupid quiestion, but which way does battery go??

Never heard of that, but I remember seeing one on every module I used.

And they are on Rkcstr, FlexDrive and DDL drivers.
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