en:Car Terms:B:Battery IE/EN
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SEAT Glossary

All the details.

B

Battery

The battery is a rechargeable device that stores electric energy through chemical reactions. It provides a surge of current that starts the engine. Once the engine has started, the engine-driven alternator maintains the battery’s charge, powering your car’s electrical systems. Car batteries provide a nominal 12-volt potential difference by connecting six galvanic cells in series.
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