Home/A half-century of power with the world's first nuclear battery/Beijing-based Betavolt unveils the world’s first nuclear-powered battery, minimizing nuclear energy size. The battery lasts 50 years without charging, utilizing 63 atomic isotopes in a coin-sized module. Beijing-based Betavolt unveils the world’s first nuclear-powered battery, minimizing nuclear energy size. The battery lasts 50 years without charging, utilizing 63 atomic isotopes in a coin-sized module.