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Hi Everyone! Thanks for reading. Currently I have a cheap ebay type laser that take 3.7V 18650 batteries. I'm planning on building a "real" laser in the future that will accept 18650 batteries. I want to purchase decent batteries now in the hopes that they will serve me well in multiple future...

Hi Everyone! I bought a cheap laser from ebay and I reversed the battery and it died. I want to replace the diode and driver and use the same host (Laser 301 Body), Battery (3.7 V), and heatsink (38mm diode) to get this laser working again. On ebay I found these two items: Diode Driver Will...

Hi Everyone! A while back a purchased a cheap 405nm handheld laser on ebay. The laser it self was not too powerful but the host was much to my liking (Laser 301 body). Long story short, I accidentally put the 3.7V battery in reverse and quickly learned that this driver did not have RP...

Hi Everyone! Thanks for reading my question. I know from reading other posts (and personal experience) that when the flow of current is reversed in the laser power circuit, the laser is irreparably damaged. The objective of this post is to gain insight into which component is specifically...

I bought this 405nm 50mw Laser pointer. I wanted to use it to pop balloons and light matches but unfortunately it was not powerful enough. While browsing the forums I found this guide and decided to see if it would work. I was able to get the laser opened up successfully and I purchased this...