Robuta

https://newatlas.com/energy/arkenlight-nuclear-diamond-batteries/
Our story on NDB's self-charging nuclear diamond batteries generated a lot of heated discussion, so we reached out to the University of Bristol, where the...
commercializenucleardiamondbetavoltaicbatteries
https://citylabs.net/applications/
City Labs delivers low-power battery solutions to a range of industries with our betavoltaic tritium cells.
tritium batteryapplicationsbetavoltaicpowersources