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Old 08-22-2012, 09:26 PM #1
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Default Will I get the same out put power of 2x18650 with 2x16340 ?

Hello


Will I get the same out put power of 2x18650 with 2x16340 ?

I mean the EXACT same out put
?


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Old 08-22-2012, 09:48 PM #2
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Default Re: Will I get the same out put power of 2x18650 with 2x16340 ?

You will get the same VOLTAGE because they are both 3.7 v batteries.
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Old 08-22-2012, 09:48 PM #3
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Default Re: Will I get the same out put power of 2x18650 with 2x16340 ?

They should give the exact output. The 2x18650 has a longer runtime than 2x16340 providing the specs are right.
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Old 08-22-2012, 09:50 PM #4
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Default Re: Will I get the same out put power of 2x18650 with 2x16340 ?

Unless your 16340 batteries cannot handle the current draw of the driver then the power of the laser will be the same.
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Old 08-22-2012, 11:04 PM #5
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Default Re: Will I get the same out put power of 2x18650 with 2x16340 ?

I am pretty sure I answered this question for you yesterday.

Using a constant current driver the output should stay "constant". So unless your voltage is too low and the driver falls out of regulation, the batteries can't discharge enough current to run the driver or your voltage is too high and you damage your driver it should always give the same current to the diode.
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Old 08-26-2012, 07:57 PM #6
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Default Re: Will I get the same out put power of 2x18650 with 2x16340 ?

Since a quality #18650 cell will have lower Internal Resistance . . .

the larger cell will deliver more voltage to the driver.

Driver design will determine the actual power output.

I would bet on the 18650 cells.

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