I purchased a +30 mW 532 nm laser from Optotronics and it is weaker than my 10 mW 532 nm. The beam quality is not well either. Yes, I used fresh batteries, and no, I didn’t take it apart. No, I did not mix them up either.
Update: I was able to speak with the owner and the customer service was...
I would like to purchase my first laser, and I was wondering what laser website is the best place to buy lasers from. I am looking for trustworthy sellers.