The term identifies a high-performing, reusable power cell conforming to a specific size standard (18mm x 65mm). These lithium-ion cells are characterized by their ability to be recharged and reused multiple times, offering a sustainable power solution. An example is a cell that retains a high percentage of its initial capacity after numerous charge and discharge cycles, while also exhibiting a low self-discharge rate.
Adoption of these cells brings advantages in terms of cost-effectiveness and environmental impact. By negating the need for disposable batteries, users reduce waste and long-term expense. Historically, advancements in battery technology have driven the development of more efficient and reliable iterations, leading to greater energy density and safety features in these cylindrical power sources.