In this episode, we talk about batteries and the charging of cells.

Batteries are explained as comprising multiple interconnected cells, with their total voltage being the sum of individual cell voltages.

The text distinguishes between non-rechargeable batteries, where irreversible chemical reactions cease energy production upon depletion of reactants and rechargeable batteries.

In contrast, rechargeable batteries utilise an external current to reverse electrode reactions, enabling sustained energy output.

Therefore, the episode offers a fundamental understanding of battery composition and the core difference between disposable and rechargeable power sources.

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