I popped my 1st BR.. Was measuring the the mA with a DMM and the wire came loose for just hair of a second, then the light went out. It's strange when the lasers die. They still draw the amps. And I could have sworn I measured no volts too, unless the crack kicked in. But anyway, my 2nd BR just starts to lase at 39mA. Kind of high compared to my previous one. I wonder if I caused trauma desoldering the PCB from the LD, seems like a reasonable explanation.