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The US government is offering free cell phone service under their lifeline program for those whose income is below their thresholds.  Eligibility in some states is 2x federal poverty level or about 26K/year.  Since there is a prohibition against posting links for new members such as myself...

I prefer the DC-DC converter than are in metal enclosures.    For DC power connectors, the Powerpole connectors are pretty good and that is what I use.  They come in several amperage capacities and in several colors so it is easy to color code for voltage.  Powerwerx offers parts kits and crimp...

I found some of brand name DC-DC converters on ebay for as little as $10. I purchased several Lind units (new, in original box) over the years for between $10 and $30 each. If you you need an output voltage not provided by these off the shelf units and are willing to do some soldering and...

I found this forum after reading Jessica Bruder's Nomadland.   There are commercial DC-DC converters available that allow most small electronics (laptops, tablets, etc.) to be run without using an inverter.  Using a DC-DC converter is usually substantially more efficient than an inverter and...