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EV charging glossary

Battery

Battery

An EV battery stores electrical energy electrochemically and supplies DC power to the vehicle's electric drivetrain and other systems.

A traction battery is built from cells combined into modules or pack structures with monitoring, protection and thermal management. Most current battery-electric vehicles use lithium-ion chemistries, although the exact cell materials vary.

Battery capacity is measured as energy, normally in kWh. The battery-management system controls allowable charging and discharge conditions based on measurements such as voltage, current and temperature.

Read more EV battery technology explained

Related terms

Battery cells

Battery management system

Battery capacity
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