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ArcticMyst Security by Avery

Polarity of laser pointer plug?

Joined
Nov 27, 2007
Messages
11
Points
3
Greetings all,

I bought this 405nm 50mw laser pointer to cure UV resins. It comes with a CC/CV driver board built in and wire/plug. I want to connect this to a 5V power bank, but I'm hesitant because I don't know the polarity of the plug. Is the center pin (+) or is it (-)? Thanks for your help.
 

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Dusty_Lenses

Active member
Joined
Apr 15, 2022
Messages
101
Points
28
Greetings all,

I bought this 405nm 50mw laser pointer to cure UV resins. It comes with a CC/CV driver board built in and wire/plug. I want to connect this to a 5V power bank, but I'm hesitant because I don't know the polarity of the plug. Is the center pin (+) or is it (-)? Thanks for your help.
If it uses a standard adapter the center pin should be the positive. It is 99.999% of the times. Just watch the voltage and dont exceed whatever the original was.
 
Joined
Nov 27, 2007
Messages
11
Points
3
OK. as a followup question for my laser... I have seen a female plug adapter to plug into my laser's plug and on the opposite end of the adapter was a female USB-A. I need the same type of adapter but USB-A male so I can plug it into my power bank for power. What do you call this and where do I buy one? I have no clue. Thanks again.
 
Joined
Jul 10, 2015
Messages
9,907
Points
113
" 5.5mm to USB "

" WALL WART "
3rd or 4th down is a 5V 2A
 




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