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Old 07-19-2017, 03:10 PM #33
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Default Re: Newbie: Learn before I can burn

Yes, I'll be sure to look at that. Thank you.
I've heard it's best to avoid wicked laser bs.


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Old 07-19-2017, 05:36 PM #34
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Default Re: Newbie: Learn before I can burn

Quote:
Originally Posted by Kermit101 View Post
Yes, I'll be sure to look at that. Thank you.
I've heard it's best to avoid wicked laser bs.
World is not black and white...

As I mentioned here:

Question's concerning Jetlasers Yamataka series.
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Old 07-19-2017, 07:14 PM #35
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Default Re: Newbie: Learn before I can burn

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So, they are (maybe - my latest experience was Laserdock autumn last year?) not as great as other top companies, but there is no reason to say they are bad.
Oh, ahaha I just realised I'm talking to a wicked lasers fan! I don't actually own any of their products, and I guess I jumped to conclusions about them being bad.
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Old 07-19-2017, 07:47 PM #36
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Default Re: Newbie: Learn before I can burn

Quote:
Originally Posted by Kermit101 View Post
Oh, ahaha I just realised I'm talking to a wicked lasers fan! I don't actually own any of their products, and I guess I jumped to conclusions about them being bad.
Not perfect, not as top companies in portable industry, but definitely not bad. And I just downloaded their LaserOS for Laserdock and it is awesome. They did great job on it a lot of features. I'm looking forward when I'll try it with my projector.
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Old 07-19-2017, 08:10 PM #37
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Default Re: Newbie: Learn before I can burn

There are a lot of loyal fans of certain companies that sell laser pointers here. They defend them like they were family. I find it kind of funny.
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Old 07-19-2017, 09:22 PM #38
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Default Re: Newbie: Learn before I can burn

Welcome Kermit101, to the forum, it's a great place to learn about laser. Like it has been said, it can be habit forming, so watch your bank account. Once you start building you just can't stop, but so satisfying. Enjoy and be safe.
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Old 07-19-2017, 09:26 PM #39
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Default Re: Newbie: Learn before I can burn

Oh yes, i understand what you mean about the bank account thing, I've got £120/$156 (roughly) to spend and i think that'll dissappear quite quickly.
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Old 07-19-2017, 10:10 PM #40
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Default Re: Newbie: Learn before I can burn

I have been looking to buy these 18650 li-ion batteries - 18650 li-ion rechargeable - for my sanwulasers green pointer, and i was wondering if batteriesplus.co.uk is a good seller?

I'm no battery expert, but ebay listings for "9000mAh 18650" rechargeable batteries are just utter b**locks.
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Old 07-19-2017, 10:33 PM #41
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Default Re: Newbie: Learn before I can burn

Quote:
Originally Posted by Kermit101 View Post
I have been looking to buy these 18650 li-ion batteries - 18650 li-ion rechargeable - for my sanwulasers green pointer, and i was wondering if batteriesplus.co.uk is a good seller?

I'm no battery expert, but ebay listings for "9000mAh 18650" rechargeable batteries are just utter b**locks.

I would think anything by Samsung would be good. Panasonic, Nitecore, Efest or any other name brand battery should be just fine.

I've never bought from that particular seller I generally buy from https://www.imrbatteries.com/ but I'm sure both would be fine.
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Old 07-19-2017, 10:39 PM #42
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Default Re: Newbie: Learn before I can burn

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I would think anything by Samsong would be good.
Wouldn't trust "samsong", seems like a chinese knock off, haha.

No, but seriously Bob, thank you for responding. imrbatteries i will also check out.
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Old 07-19-2017, 10:55 PM #43
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Default Re: Newbie: Learn before I can burn

You might also want to be aware of the protection circuit put in many Li-ion batteries to keep them from over discharging too. The ones that don't have these circuits are usually flat on the positive end to keep them from being used in series, though people do anyway by adding small magnets to their tops. There are reasons for buying both of these types of batteries and you should make yourself aware of those reasons.
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infrared video camera for collimating IR lasers
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Old 07-19-2017, 11:03 PM #44
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Default Re: Newbie: Learn before I can burn

Paul, i think the Samsung batteries I'm purchasing are NOT discharge protected (flat ended as you said). The sanwu laser pointer that needs them only requires one 18650, so i shouldn't need to use both in circuit.

Would a discharge damage the circuitry of my laser pen?
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Old 07-19-2017, 11:11 PM #45
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Default Re: Newbie: Learn before I can burn

Quote:
Originally Posted by Kermit101 View Post
Paul, i think the Samsung batteries I'm purchasing are NOT discharge protected (flat ended as you said). The sanwu laser pointer that needs them only requires one 18650, so i shouldn't need to use both in circuit.

Would a discharge damage the circuitry of my laser pen?
No, but, the chemistry of these different batteries have their pros and cons. The higher discharge batteries have a higher internal dynamic resistance than lower discharge batteries do. There is no need to buy unprotected cells unless you are using them for high current uses such as RC cars and the like.
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405nm Laser Pointer 45mW
405nm C11 700mW
405nm Laser Shack Pointer 80mW
Thor H Dual Power 445nm, 438 mW & 1648 mW
445nm 1.75 watts SkyRay Gifted
445nm 3 watts MS-SSW-II
445nm 2.2 watts Nichia MS Envy

445nm 2 watt SMP Copper Host
477nm 127 mW 501B
488nm Uniphase #2201-20SLAT argon laser head and power supply >40mW
520nm LaserLands pointer Measures 510nm
532nm LSR532H-1W Laser, LSR-PS-N1 Driver, RS-75-5 P.S. 1300 mW
532nm 200mW Thermostatically Controlled Fan Cooled (Besram) >230mW
532nm 189mW pocket lab laser
532nm lasers X6 100mW-200mW
532nm lasers X4 75mW- 140mW
632.8nm P210 New Laser Tube 0.57mW Melles Griot 05-LMP-827-037 PS
632.8nm Spectra- Physics He- Ne #102-2 4mW heads X2 and #236 power supply
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635nm 1 watt Cyprus II
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635nm Lifetime17 Mini-camo build 687mW
650nm 65mW pointer
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808nm 1+W infrared laser
infrared video camera for collimating IR lasers
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Scientech Vector S310 with AC2500 10 Watt LPM
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Old 07-19-2017, 11:16 PM #46
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Default Re: Newbie: Learn before I can burn

Taken from the batteriesplus website - "The specs are nearly identical, though the new green 25R batteries have a lower internal resistance, and a longer life cycle"

So a lower internal resistance is good for non intensive devices?
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Old 07-19-2017, 11:30 PM #47
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Default Re: Newbie: Learn before I can burn

Quote:
Originally Posted by Kermit101 View Post
Wouldn't trust "samsong", seems like a chinese knock off, haha.

No, but seriously Bob, thank you for responding. imrbatteries i will also check out.
Oooops, haaaa can I blame it on chubby fingers and small buttons.

Corrected in my post .
I wouldn't trust samsong either.
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Last edited by BobMc; 07-19-2017 at 11:40 PM.
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Old 07-19-2017, 11:43 PM #48
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Default Re: Newbie: Learn before I can burn

Kermit, for $100 you could start off with this laser. 593.5 is a nice color!

http://www.cnilaser.com/PDF/MGL-III-593.5.pdf

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Last edited by Hap; 07-19-2017 at 11:43 PM.
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