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Im sitting here at work, excited because my beam expander from dragon laser should be arriving today. I bought the spartan 1w a while back. It was my first high power laser, and I was very impressed with it. Now, I know the spartan cant be focused, while there are other 1w lasers on the...

I did a search and could not find any recommendation on good 26650 batteries. The only thing I am finding is to avoid anything with "fire" in the name. But, that is pretty much the only thing I can find available, aside from no-brand names wich I assume are no better. The batteries will power a...