Here is my latest version of the Camping Solar Battery Box v3.0. The biggest changes are changing from a 20 watt solar panel to a 200 watt solar panel and from a 30AH battery to a 100AH battery. WIth this unit I can run the portable fridge / freezer for 4-5 days before needing to recharge.
background music provided by MitiS under creative commons free use license. Check out his work at his soundcloud page:
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Post time: Feb-12-2017