docw009
1 MW
Perhaps already posted, but found it interesting, and looks feasible as a business, when batteries become regulated. Describes a battery designed for repair and reclamation of cells.
https://www.youtube.com/watch?v=c-FKfRISVbU&t=3s
https://www.youtube.com/watch?v=c-FKfRISVbU&t=3s