Welcome to Laser Pointer Forums - discuss green laser pointers, blue laser pointers, and all types of lasers

How to Register on LPF | LPF Donations

Search results

  1. E

    power - 3.0v - 3.7v OR 3.7v - 4.2v / battery

    I found this ebay seller and they have one 30mW with 3.7 - 4.2v and another 30mW with 3.0v - 3.7v. (see links below for photo and description) So, what would be the difference with these, other than the +- connection point being wires on the 3.7v as opposed to spring and copper burl on 3.0v...


Back
Top