Since I first read this thread I have been looking for the most powerful LED light I could find. The only one I could find that was more powerful was the Trek™ 6000 ex60 and it was over $200 and only operated at full power 4-5 hours. So I'm gonna try the Dorcy and will let you know how it works.
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Depend on yourself, help those who are not able, and teach those that are.