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Hi Stephen,
Does it harm the DS-500 if it is powered by a regular 5v 1 or 2.1 amp cell phone power bank by mean of a step up voltage converter?
Something like this. ...

Hi Stephen,

Is there a way to charge battery packs with portable solar panels?

Thanks.

Hi, I am probably the farthest user of DS-500. I received my light one month ago and used it a few times. The only thing I will say about this light is "It is an unbelievable high quality light." The...