In the backpack

Normal, I would not take for some hours at the waterfall charger for the cellphone and for the AA cells from the camera. But here it's to show, what all is possible.

In the backpack Normal, I would not take for some hours at the waterfall charger for the cellphone and for the AA cells from the camera. But here it's to show, what all is possible.

With the same equipment, somebody could be several weeks on an educational trip in an area without grid.
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