Nov 8, 2009 #1 F funfordds 0 Joined Nov 5, 2009 Messages 7 Points 0 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!
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!
Nov 8, 2009 #2 Elektrotechniker 0 Joined Nov 10, 2008 Messages 4,186 Points 63 insert the battery so the spring of the host touches the - of the battery?
Nov 8, 2009 #3 Glutton 0 Joined Aug 5, 2009 Messages 482 Points 28 I think it is case positive. The negative end goes in first. My transformable 18650 is like that.
Nov 8, 2009 #4 S Slipstream 0 Joined Oct 9, 2009 Messages 432 Points 0 Silvershot said: insert the battery so the spring of the host touches the - of the battery? Click to expand... every green I've had is usually case positive, spring of the host touches the positive. ---[==== (- +)]
Silvershot said: insert the battery so the spring of the host touches the - of the battery? Click to expand... every green I've had is usually case positive, spring of the host touches the positive. ---[==== (- +)]
Nov 8, 2009 #5 blue lasers 0 Joined Jul 1, 2009 Messages 588 Points 18 greens are case positive so you put the batteries negative(the flat side) side facing/touching the spring.
greens are case positive so you put the batteries negative(the flat side) side facing/touching the spring.
Nov 8, 2009 #6 Elektrotechniker 0 Joined Nov 10, 2008 Messages 4,186 Points 63 Ugh, I thought ... anyway. Could the laser fry even if the battery was put the wrong way?
Nov 8, 2009 #7 Arayan 0 Joined Oct 26, 2009 Messages 1,746 Points 48 In my exeperience the positive pole is always opposite the exit of laser beam...
Nov 8, 2009 #8 F funfordds 0 Joined Nov 5, 2009 Messages 7 Points 0 thanks didnt want to fry my laser before i even got a chance to use it
Nov 9, 2009 #9 BuildAbluraylaser 0 Joined Mar 10, 2009 Messages 878 Points 0 You wont fry your laser... There's a regulator diode to absorb reverse voltage if you put the battery the wrong way...
You wont fry your laser... There's a regulator diode to absorb reverse voltage if you put the battery the wrong way...
Nov 9, 2009 #10 mfo 0 Joined Jul 3, 2009 Messages 3,394 Points 0 BuildAbluraylaser said: You wont fry your laser... There's a regulator diode to absorb reverse voltage if you put the battery the wrong way... Click to expand... Didn't Sbdwag fry a laser like that once? I'm pretty sure it was a greenie.
BuildAbluraylaser said: You wont fry your laser... There's a regulator diode to absorb reverse voltage if you put the battery the wrong way... Click to expand... Didn't Sbdwag fry a laser like that once? I'm pretty sure it was a greenie.
Nov 9, 2009 #11 BuildAbluraylaser 0 Joined Mar 10, 2009 Messages 878 Points 0 Never heard of that, but I remember seeing one on every module I used. And they are on Rkcstr, FlexDrive and DDL drivers.
Never heard of that, but I remember seeing one on every module I used. And they are on Rkcstr, FlexDrive and DDL drivers.