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I just had to lengthen it by maybe 1/8", everything around the spring is plastic, so that isn't shorting. I'm assuming that something is wrong with the driver. Maybe the driver is heating up, causing some heat expansion, affecting the focus? Sound likely? Although the host isn't getting hot...

I have a few sets of the recommended yellow Tenergy Lifepo batteries. Its not the batteries, they don't smell and they are only getting slightly warm to the touch. It's definitely coming from the laser, I'm assuming the driver.

All right, I'm going to email Frank and see what it's going to take to return this for a replacement.

No, I've handled it with great care. I'm not sure what prompted it to change, but I don't think it was any external influence.

Hello, I received A Spartan 1W less than a week ago, and for a day it was working fine. I didn't measure the "dot" when I first started, but it was comparable to pictures that others have posted, a thin, short, line. It's not like that anymore, when turned on now it's much larger, and it...

"quality lasers, precision optics and optical components" - Dragon Lasers website. Maybe some form of quality control & reliability. Mine didn't even work when I first got it, I had to hook the battery spring with something and stretch it out so that it would make contact with the batteries...

I am having an issue with the beam diameter, I will probably post a thread in the "help" section, but I thought this was a good place to mention it. My Spartan 1W laser has begun to have "beam expansion" issues. from when I first ran it for a few seconds to now, it has had a burning smell (if...

I got my WL refund this morning, I am going to buy a Spartan 1W sometime tonight. you can buy a Tenergy 6 battery & charger combo set and save a few bucks: 6 battery & charger combo set 2 batteries & charger combo set individual batteries These all appear to be the type recommended by the OP.