Old 07-25-2013, 07:14 PM #1
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Default Cr123a what voltage?

Heya guys, my brother gave me flashlight style green laser and we neither on know what power it is...will light a match after making it black with a marker. Anyways it holds a cr123a we just sont know what volts, i have a 3.0v can i put a 3.6v in it with no probs??


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Old 07-25-2013, 08:26 PM #2
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Default Re: Cr123a what voltage?

do you have pics ??? that would help a lot
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Old 07-25-2013, 08:27 PM #3
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Default Re: Cr123a what voltage?

A CR 123 is 3 volt battery a LR 123A or RCR123A is 3.7 volt hence the L for lithium or R for rechargable which is 3.7 volt. You really shouldn't have a problem at all with 3.7 volt battery if its a laser. You usually only come into problems if you have two in series as instead of 6 volts you end up with 7.4 volts which could be enough to cook a diode. The CRr123 battery in basic form is 3 volt and not rechargeable(and usually tells you that on the battery) the rest are rechargeable and are 3.7 volt lithiums
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Old 07-25-2013, 08:53 PM #4
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Default Re: Cr123a what voltage?

Ok thx, I have found some rcr123a rechargeable 3.6 and 3.7 and like 2000 mAh where the 3.0volt I currently have in it is 1550mAh...I just wanted the opinions of some of you guys that would know what im talking about, I dont want to ruin the laser, I figured it wouldnt hurt to go up to the 3.6-3.7v but want to make sure. So I'll be good to go with the higher voltage??

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Old 08-04-2013, 03:13 PM #5
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Default Re: Cr123a what voltage?

Quote:
Originally Posted by daveo View Post
Ok thx, I have found some rcr123a rechargeable 3.6 and 3.7 and like 2000 mAh where the 3.0volt I currently have in it is 1550mAh...I just wanted the opinions of some of you guys that would know what im talking about, I dont want to ruin the laser, I figured it wouldn't hurt to go up to the 3.6-3.7v but want to make sure. So I'll be good to go with the higher voltage??
Yes go for the 3.6 volt battery no problem, all my lasers use 3.6..3.7 volt rechargables so unless its weird type i cant see any problem....
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1175 mW 450 nm focus-able S4

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135 mW 532 nm focusable laser SD 303 x2
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255 mW 650 nm SD301
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260 mW 660 nm custom C6 host
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45 mW 650 red and 114 mW 532nm multi laser
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