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  1. R

    survival laser 1.25A driver + nitecore rcr123

    Hi all, I have a question about my first build. Some specs: Diode: 450nm M140 Driver: Survival Laser 1.25A Battery: 2x Nitecore 650 mAh RCR123A I cannot get the driver to pump using these batteries. Bench power supply at 5V or more works just fine, so it's not the diode. When I test the bats...


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