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To give electric power to things.

Batteries are used to store energy for a period of time without requiring the constant need of generated electricity: they power many electronic devices, small watches, laptops, flashlights, and have many more extensive uses.

Batteries are used to deliver electrical energy when no other source of electrical power is available. For instance they supply power to portable devices such as flashlights.

A battery is actually an energy storage device: energy is stored in the form of chemical energy and that energy is then released when required, in the form of electrical energy.

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11y ago
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13y ago

Batteries are put in items to make them work /to have power.

like some kids toy have batteries in them to e.g make E.Ts finger light up

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11y ago

If the battery is useful for anything its portability.

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Q: What batteries are used for?
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