48 seconds. I predict a glut of helium. balloons for everyone
It’s not limitless, you still need fuel. Especially tritium doesn’t really occur naturally because of its extremely short half-life, current plans for ITER involve breeding tritium from lithium in the fusion reactor. The closest to limitless power we have is PV.
A reactor that produces enough of its own fuel… It’s starting to sound like a perpetual motion machine.