A nuclear-cored battery having a spherical core that emits radiation and is surrounded by a ceramic phosphor material having a structural defect such that the ceramic material within the ceramic phosphor material is used to shield and absorb the radiation emitted by the nuclear core while the phosphors are excited by the radiation causing them to produce energy in the form of photons. Surrounding the ceramic phosphor material is a photovoltaic layer that transforms the photons into a flow of electrons to create an energy source in the form of a sphere. A P and N layer sandwiches a plurality of spheres therebetween to harness the electron flow created by the photovoltaic layers of the spheres.