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Old 07-02-2010, 11:02 PM #1
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Default 18650 batteries?

So I have just completed my first 445 build with a 4171 host, and a microboost,

and I was wondering, what are the specs of the 18650 I need to be looking for and what voltage and mAh are they?

Thank you.



Last edited by cod4pwns08; 07-02-2010 at 11:11 PM.
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Old 07-02-2010, 11:23 PM #2
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Default Re: 18650 batteries?

18650:
Voltage: 3.6v (4.2 fully charged)
Capacity: 2500maH advertised.
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Old 07-02-2010, 11:32 PM #3
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Default Re: 18650 batteries?

Quote:
Originally Posted by Tabish View Post
18650:
Voltage: 3.6v (4.2 fully charged)
Capacity: 2500maH advertised.
When I buy the batteries are they 4.3 or 3.6 advertised?
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Old 07-02-2010, 11:50 PM #4
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Default Re: 18650 batteries?

Check this thread, its very useful: http://laserpointerforums.com/f44/th...50s-51767.html

Lots of test done on different brands of 18650s.
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Old 07-03-2010, 12:39 AM #5
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Default Re: 18650 batteries?

Ahh the 18650 batteries. The best in the field.
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Old 07-03-2010, 12:51 AM #6
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Default Re: 18650 batteries?

Quote:
Originally Posted by Scotty 757 View Post
Ahh the 18650 batteries. The best in the field.

No, the best in the laser!!!

I hope you celebrated your 445th post Scotty!

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Old 07-03-2010, 12:56 AM #7
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Default Re: 18650 batteries?

Quote:
Originally Posted by Morgan View Post
No, the best in the laser!!!

I hope you celebrated your 445th post Scotty!

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Old 07-03-2010, 01:01 AM #8
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Default Re: 18650 batteries?

cod4pwns08;

I have built several hundred UV lights using #18650 batteries.

What I have learned, is to use "brand name" #18650 batteries only.

The failure rate of chinese clones is very high.

Cells from LG, Sanyo, Samsung, Sony, and Panasonic work reliably for long cycle counts.

Even though they are the major manufacturers of 18650 batteries,
none of them were tested in the CPF article you referenced.

For your 445nm diode you will need a hi-capacity 18650 cell.

I use 2600mah or higher in my Direct-Drive 445nm laser.

Buy Quality ...

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Last edited by LarryDFW; 07-14-2010 at 01:48 AM.
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Old 07-03-2010, 01:07 AM #9
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Exclamation Re: 18650 batteries?

Quote:
Originally Posted by cod4pwns08 View Post
So I have just completed my first 445 build with a 4171 host, and a microboost,

and I was wondering, what are the specs of the 18650 I need to be looking for and what voltage and mAh are they?

Thank you.
They are 4.2v when they are fully charged and then drop to 3.6v. DO NOT have them drop to 3.0v or they are un-useable.

Here in ROK we have 18650s up to 2700mAh. They pack quite a wallup and are used to make batteries for high end airsoft!
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Old 07-03-2010, 01:32 AM #10
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Default Re: 18650 batteries?

i ordered a few from different sites. i now have a 2800mA, 2 2600mAs and 2 2400mAs lol. they didnt even specify what current rating they would be before i bought them, seems random. the 2400mA ones are actually probably the best quality since i got them from a UK site that specialises in flashlights. the 2600mAs came from deal extreme, the 2800 came with my laser (well, 3 weeks after the laser) from o-like.
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01010000011000010111001101110100011000010010000001 10111000100000011100110110000101110101011000110110 01010011101000100000011010010111010001110011001000 00011000010110110101100010011010010110011101110101 01101111011101010111001100100001
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