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Old 08-09-2013, 03:48 AM #1
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Default Will this work?

Hi all,

I'd like to ask for help regarding a battery question.

If I use 3 of these...
Lithium Ion Polymer Battery - 3.7v 1300mAh ID: 258 - $12.00 : Adafruit Industries, Unique & fun DIY electronics and kits
Two in parallel and then connect those 2 with the third one in series, will that be enough to power two 445nm diodes using a Mohgasm 1.25A linear driver (for each one of course).

Thanks for the help!
Matt


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Old 08-09-2013, 04:58 AM #2
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Default Re: Will this work?

What on earth are your plans?
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Old 08-09-2013, 05:09 AM #3
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Default Re: Will this work?

You would be better off with two in series.
The third one is unnecessary.

Three in parallel and a boost driver would also work.
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Old 08-09-2013, 08:49 AM #4
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Default Re: Will this work?

if these are in the same host you will need great heatsinking! and also short runtimes. My m140 in a kryton isnt what gets hot, its the 1.25A mohgasm driver!
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Old 08-09-2013, 02:26 PM #5
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Default Re: Will this work?

Quote:
Originally Posted by Speedy78 View Post
What on earth are your plans?
Something special

Quote:
Originally Posted by ARG View Post
You would be better off with two in series.
The third one is unnecessary.

Three in parallel and a boost driver would also work.
Awesome, thank you!

Quote:
Originally Posted by NKO29 View Post
if these are in the same host you will need great heatsinking! and also short runtimes. My m140 in a kryton isnt what gets hot, its the 1.25A mohgasm driver!
I know, the drivers literally begin burning my fingers. Ill have them very well heatsunk(?) with short cycles, basically momentary.
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Old 08-09-2013, 10:22 PM #6
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Default Re: Will this work?

yeah the drivers start off cool, but after a certain runtime, they get amazingly hot. they can withstand up to 150 degrees celcius before shutdown though. (according to their datasheet)
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