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SANWU Challanger 2

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I just started using my Sanwu Challenger II. I noticed that the laser heats up very quickly towards the top of the laser. Is this normal?
 

Razako

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I just started using my Sanwu Challenger II. I noticed that the laser heats up very quickly towards the top of the laser. Is this normal?
Yes, they aren't meant to have a long duty cycle. Stick to runtimes of <1minute and it should be safe.
 
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