Quote:
Originally Posted by toryglen-boy
well, i put lithium batteries in there, and they are very good, but it appears the main culprit is the ambient temperature of thing. if i keep it warm then its all good
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When the ambient temperature drops to single digits the laser basically stopped working. I was told by the supplier that it is probably the batteries getting cold, hence the battery replacement. So I put the whole unit in the fridge and the battery voltage barely changes...and the laser barely works. If I put it in the freezer, the battery voltage is still ok, but the laser is totally off. Because my unit attaches to the tube for alignment and for showing people "where we are looking" I can't really put it in my pocket. But with the increased capacity, and much cheaper battery replacement cost, I can leave it on for 30 seconds or so and the laser will warm up and become visible
I have another laser that I keep in my pocket for handheld usage.