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ArcticMyst Security by Avery

Battery Specs

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Jun 20, 2014
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Hi all, new user here!

I've got a question. I have a SD-301 200mW 532nm Single Dot Green Laser Pointer coming from Fast Tech, and noticed there weren't any details on what kind of 18650 is best for this device.

I've got a few Efest 2100mAh IMR 18650 3.7V LI-MN (30A), and a few that are I believe 3000mAh at 10A.

I'm an avid vaper, so I know enough about batteries that I feel uncomfortable throwing these things in a device and going to town...so I'd love some advice.

Thanks! :)
 





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Hi all, new user here!

I've got a question. I have a SD-301 200mW 532nm Single Dot Green Laser Pointer coming from Fast Tech, and noticed there weren't any details on what kind of 18650 is best for this device.

I've got a few Efest 2100mAh IMR 18650 3.7V LI-MN (30A), and a few that are I believe 3000mAh at 10A.

I'm an avid vaper, so I know enough about batteries that I feel uncomfortable throwing these things in a device and going to town...so I'd love some advice.

Thanks! :)

Both the 18650's you have should work. With my 500mw laser I use a 18650 2600mAh 3.7V lithium-ion battery and it works great. I would recommend staying away from ultrafire and trustfire brand batteries.
 

Rifter

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Both the 18650's you have should work. With my 500mw laser I use a 18650 2600mAh 3.7V lithium-ion battery and it works great. I would recommend staying away from ultrafire and trustfire brand batteries.

Exactly anything but the Brands that end with fire is probably a good choice. Ive had good luck with Panasonic cells, and Sony.
 
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Exactly anything but the Brands that end with fire is probably a good choice. Ive had good luck with Panasonic cells, and Sony.

Yep. Mine is Samsung and it works well. I also hear from a lot of people that Panasonic cells are good.
 
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Yep. Mine is Samsung and it works well. I also hear from a lot of people that Panasonic cells are good.

I guess my main issue is whether or not this laser pointer will drawn enough to warrant a 30A battery?

My background with 18650s is fairly high stakes, in that certain devices draw so much current that using a 10A instead of a 30A battery can result in battery failure, etc. So maybe I'm just displaying my ignorance here. :D



EDITED: draws 400mA according to the Fast Tech page. *facepalm*

Given this...I should be fine with both 10A and 30A batteries. lol
 
Last edited:
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Not all Fire batteries are bad.. You just have to get them from a good dealer.. they blue wrapped ones if they are from a good reputable dealer then they should be ok. stay away from the ones that are not blue and not from a unknown trustworthy dealer.. and dont use them is lasers flash lights are ok and vapers I have two blue Ultra fires 18650's and charged them many many times and they have not failed me yet
 
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Your only issue in this case is that some of these batteries are button top and some are flat top, some lasers require the button top and some lasers have a spring at both ends and you can use either.

Alan
 

Teej

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The other issue is counterfeits, as those blue ones are knock-offed like crazy, and under the wrapper can be anything.

:D

Using a reputable dealer who didn't appear to suddenly find he can sell at half the normal prices....etc.

:D
 
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As I was expecting...none of my batteries work.

I was hoping there would be someone who knew the actual specifications of their batteries, so I could order some.
 
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What do you mean none of your batteries work? Any 18650 will work in that laser except for the issue I mentioned earlier in post #7.

Alan
 
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Well that's what I was hoping for...but no bueno.

I'm going to pick up a standard 18650 from an electronics store and see if that'll work. If not...I guess I have a laser pointer for sale?!? Lol
 
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I hope you didn't put the battery in backwards, or another possibility is it may have been DOA. Although that would be a rare thing.

Alan
 




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