Good morning everyone,
I purchased a 20 mm Convoy driver from Mountain Electronics and I have a confusing problem. And I get about 30 seconds of bright light from the XP-3 led and then it steps down to an extremely dim glow and then completely turns off. Any ideas? I am using a 7.1 amp 18650 cell, Panasonic with very little resistance, meaning the spring to emitter is about half an