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Old 02-28-2015, 09:34 AM #1
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Default Using the right batteries

Hello all! I've been here for awhile now . I was wondering a lot about what kind of batteries do I use for what drivers . I heard if too much voltage is being emitted , it would fry the driver (and the diode??)

So the question here is what kind of batteries do I use for what kind of drivers . And how many batteries do I use ? How do i not fry my driver?

Let's say I use a 2.2A xdrive driver . Is it okay to use 2 x 18650 ?

I know that xboost only require 1 battery.

and what does '18650' and other numbers mean?

I did some searching and couldn't find results similar to my question.


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Old 02-28-2015, 09:48 AM #2
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Default Re: Using the right batteries

18650 is the battery size. if you search battery size, you should see a link which explains the different numbers.

Quote:
Let's say I use a 2.2A xdrive driver . Is it okay to use 2 x 18650 ?
it doesn't just work with 2x 18650, it can also work with 2x 16340 and other 3.7v rechargable battery
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Old 02-28-2015, 10:08 AM #3
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Default Re: Using the right batteries

thanks marcuspeh! that explains alot.

So now how do I not burn my driver ? is it fine to use any 2 x 3.7V battery to any driver as long as its not a boost driver ?

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Old 02-28-2015, 11:16 AM #4
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Default Re: Using the right batteries

It depend on your diode. Red and ir only need around 3v and violet and blue need more than 4v. If the driver is a boost driver, it can only be use for violet and blue diode. If it is a buck driver, it can be use for all the diode. Lets say the diode need around 3v, 1 battery is enough. If I needs 4v or more, u will need 2 battery.
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Old 02-28-2015, 03:19 PM #5
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Default Re: Using the right batteries

Don't forget green 520nm diode, they need a boost driver if using one 3.7 V (they charge as high as 4.2V) battery, 7 to 8 VDC output from the driver for that diode.
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Old 02-28-2015, 03:47 PM #6
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Default Re: Using the right batteries

Replied to your PM about this.
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Old 02-28-2015, 08:11 PM #7
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Default Re: Using the right batteries

The answer is different for every driver.
What you do is enter the name of your
driver into the search box and then peruse
the forthcoming results. So for your
X-Drive example, you would enter
"x-drive". Beyond that, if you are unable
to figure out what happens when you connect
a couple batteries together, then you need
to educate yourself in some basic
electrical principles.
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Old 02-28-2015, 09:22 PM #8
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Default Re: Using the right batteries

Anyways thanks guys for all the fast and useful answers
. xD

I'll be building my first laser soon if my diode even passes through the custom (Probably not a too DIY one)

Last edited by isaacpeh; 02-28-2015 at 09:23 PM.
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