1. Get a solar charger USB on eBay so that you can have access to a renewable resource of off-the-grid energy to power your phones, tablets, etc. You should also get backup batteries for your devices including your laptop and search for laptop solar chargers from online sources such as eBay and Amazon. Be sure to keep the solar chargers always charged to insure that the battery does not go dead forever, and always have backup batteries for the solar chargers as well as for the other batteries.

2. Use ten layers of aluminum foil and wrap the foil around the bottom/base a lidded cardboard box. Get another layer of foil and have the surface 3D printed with small holes close to each other. Carefully wrap this additional foil sheet around box for an extra layer of protection. Do the same foil wrap process to the cardboard box lid, and make sure the aluminum foil overlaps on the box to insure there are no gaps. Ensure there are no power leaks and test the Faraday cage against FM and AM radio waves by setting a radio inside the container. 

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