Hello.......sorry this is late. Checking in from sunny Sarasota, Florida, though I'm originally from Ridgewood, NJ. I currently have seven lasers, three red dollar store "cat" units, <5 mW; three greenies, a (roughly) 40 mW Amazon or eBay unit; a (roughly, no LPM to test) 90 mW Amazon w/ star...
I'm sure most of you know this, but it is a good idea to clean your battery/batteries every few weeks or so. I remove them, rub the contacts on a somewhat abrasive surface, like my jeans or cargo pants (is it still okay to wear cargo pants?)....put the batts back in and fire up the laser. I...