Charge your power banks using small solar panels and get power wires out from your power/battery bank.
Legacy RS232 level signals are still used in many devices. This module converts USB to a serial port. It has a bluetooth port for using HC05-06-10 modules. The RS232 output allows a small amount of power using easy-to-use RJ12 connector system. 115K baud and >500 feet cable is possible.
4 Way points to show you how far away you are from a Tesla GigaFactory.
WP1 Tesla Fremont
WP2 Tesla Shanghai
WP3 Tesla Austin
WP4 Tesla Berlin
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