Super Capacitor

[Blazeman]

Initial application is pointing to big units for autos to remove most of  the batteries.  Could they also look to eventually produce much smaller items using the technology that could be small enough for model railroad motive power? Or license the technology for someone else to miniaturize?

https://newatlas.com/energy/toomen-powercapacitors-kurt-energy-high-density-supercapacitors/

[wvgca]

they are small enough now ... see stay alives / keep alives ...
they just don't last long enough at the size needed ...