- Joined
 - Dec 17, 2010
 
- Messages
 - 1,144
 
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Re: 1.2 Watt Copper 445nm blue lasers $149 shipped
Did you put the batteries in the right way? Reversed polarity can damage the driver.
Also, when burning, focus your beam to a" pinpoint" . It will burn very well.
				
			Did you put the batteries in the right way? Reversed polarity can damage the driver.
Also, when burning, focus your beam to a" pinpoint" . It will burn very well.
	
