This article details the mass production of the BV100, a coin-sized nuclear battery developed by Betavolt New Energy Technology, boasting a 50-year lifespan and high energy density. It represents a significant advancement in long-lasting, compact power solutions with potential applications across various industries, sparking competition in the field.
The author, inspired by his dad's old HP 25 calculator, designs and 3D prints a new battery holder to revive the vintage device.