COMING THIS SUMMER THE BLOCKBUSTER THEY DON'T WANT YOU TO SEE!
Oppenheimer!
Tesla!
Big Daddy E!
Across the chasm of time itself these three masters of reality converge to combine their brilliant minds and hone their arts to battle fascism's most powerful madman: Cyber UltraHitler Mark 5! Thrill at high-stakes airship combat as Tesla unleashes his Even Deather Ray on the nazi zeppelin fleets! Never before have these mighty Men of Science gathered to battle such a desperate foe! Come for the explosions but STAY for the Intense Chalkboard Action!
The innovation isn't the product, it is the manufacturing. The cells in pacemakers had the housing of the pacemaker to protect from puncture.
These devices are meant to go in portable electronics so puncture safety is far more critical.
Honestly radioactive copper as a low volt lifetime battery is an interesting idea. It won't live power a phone but it could charge it while inactive.
Good for camping where solar isn't viable.