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Old 04-09-2012, 11:37 AM #1
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Default Diode.

If diode is destroyed, will laser not work at all?

Am worried my issues is not battery, but diode as i may've used for more than a minute!


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Old 04-09-2012, 01:38 PM #2
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Default Re: Diode.

1. first try another battery!

2. f that won't work it's probably your driver or your diode. (More background information would be helpfull!!)

3. Disconnect diode and test the driver with a tesload if thats works it is the diode that is toasted. REMEMBER before you re-attach a new diode short the driver output leads! as a voltage spike can kille your new diode!

problem solved!

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Old 04-09-2012, 03:34 PM #3
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Default Re: Diode.

What more background info would you like?

The most technical thing i think i can do is change a battery as i've no expertise, knowledge or tools.
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Old 04-11-2012, 03:38 PM #4
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Default Re: Diode.

Ok, the guy in electrical store say that my battery is ok!

If it was the diode, wouldn't the laser just not work?
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Old 04-11-2012, 03:46 PM #5
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Default Re: Diode.

If your battery is fine and your driver is fine, it must be the diode. If its emitting a dim glow that means you've LED'd it. That means its giving even over driven to the point of failure or overheated. The heat could be due to a prolonged duty cycle or soldering damage while making connections. Either way your question is kinda self answering. If a diode is broken will the laser not work. I always thought if something is broken that means it does not work
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Old 04-11-2012, 04:10 PM #6
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Default Re: Diode.

The laser does work fine for 20 or so minutes, extremely more powerful than other 200mw lasers i've had!
then after a bit of prolonged use, i.e. burning, it starts to fade to a dim dot! Thats on a battery thats fully charged. If i then charge battery again for 20 mins until the charger light goes green, its ok again for a while!

The laser is brand new from o-like.
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Old 04-11-2012, 05:44 PM #7
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Default Re: Diode.

Quote:
Originally Posted by waterface View Post
The laser does work fine for 20 or so minutes, extremely more powerful than other 200mw lasers i've had!
then after a bit of prolonged use, i.e. burning, it starts to fade to a dim dot! Thats on a battery thats fully charged. If i then charge battery again for 20 mins until the charger light goes green, its ok again for a while!

The laser is brand new from o-like.

woudn't that mean that the battery is simply discharged O.o 20 minutes on is quite a while. And some cheap batteries may just last that long.

Last edited by foulmist; 04-11-2012 at 05:44 PM.
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Old 04-12-2012, 12:04 PM #8
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Default Re: Diode.

Well i probably mean 20 minutes of use spasmodically, not 20 mins straight!

If i am burning & i hold the laser on for a while, say periods of 30-45 seconds on, it happens then too!

I used the same battery with my old laser, the transformable 200mw from o-like & the laser never dimmed then!

Are you ruling out issuesswith the driver & diode?
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Old 04-12-2012, 12:07 PM #9
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Default Re: Diode.

Quote:
Originally Posted by waterface View Post
Well i probably mean 20 minutes of use spasmodically, not 20 mins straight!

If i am burning & i hold the laser on for a while, say periods of 30-45 seconds on, it happens then too!

I used the same battery with my old laser, the transformable 200mw from o-like & the laser never dimmed then!

Are you ruling out issuesswith the driver & diode?
I think you should contact o-like's customer support. They should replace it.
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Old 04-12-2012, 12:13 PM #10
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Default Re: Diode.

This lase is a replacement for a laser i sent back. I don't want to send back if its just a fried battery.

I'm just wanting to know if it is a diode or driver problem, would the laser work at all or for even a few minutes with ok power! I thought if anything within the laser eg. diode or driver, it wouldn't work at all !
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Old 04-12-2012, 12:14 PM #11
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Default Re: Diode.

Quote:
Originally Posted by waterface View Post
This lase is a replacement for a laser i sent back. I don't want to send back if its just a fried battery.

I'm just wanting to know if it is a diode or driver problem, would the laser work at all or for even a few minutes with ok power! I thought if anything within the laser eg. diode or driver, it wouldn't work at all !
Try to find another battery like this one if it does the same send it back.
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Old 04-12-2012, 12:24 PM #12
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Default Re: Diode.

I hear chargers or quality of battery can make a difference!

Samsung Li-Ion battery ICR18650-26C 3,7V, 2600mAh: Amazon.co.uk: Electronics

http://www.amazon.co.uk/Double-Pack-...4233617&sr=8-2

18650 2400MAH Rechargeable Spare Battery For Ultrafire Lumens Torch: Amazon.co.uk: Sports & Leisure

lots of differences in prices & i assume quality.

Also chargers range from 4 to 15
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Old 04-12-2012, 12:48 PM #13
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Default Re: Diode.

If you were prepared to wait a little for shipping, LarryDFW's charger is a great little 18650 charger and very well priced ($9 - 6); we get ripped off for everything in the UK. It charges to 4.2V everytime (so far ) His Samsung batteries aren't bad either. (about half those amazon prices)
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Apart from that, X-TAR WP2 USB charger (about 12) or Ultrafire WF-139 rapid charger (20) aren't bad choices i.m.o
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Old 04-12-2012, 12:54 PM #14
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Default Re: Diode.

contact LarryDFW here on the forum he could provide you with great batteries and chargers

Last edited by foulmist; 04-12-2012 at 12:55 PM.
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Old 04-15-2012, 04:01 PM #15
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Default Re: Diode.

Thanks, i ordered from Larry.

I was wondering if by just once putting the battery in the wrong way round could have done something? I think i may've done as i always forget which way up & there are no + or -.
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Old 04-15-2012, 04:07 PM #16
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Default Re: Diode.

Quote:
Originally Posted by waterface View Post
Thanks, i ordered from Larry.

I was wondering if by just once putting the battery in the wrong way round could have done something? I think i may've done as i always forget which way up & there are no + or -.
hmmm., if the driver lacks the reverse polarity protection you might have fried something. But as it still working - even for a little while.. I can't be sure...

Last edited by foulmist; 04-15-2012 at 04:12 PM.
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