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Automotive glossary

DC Fast Charging

DC fast charging supplies direct current straight to the battery, allowing much faster charging than AC.

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What is DC Fast Charging?

Power ranges from about 50 kW to 350 kW, depending on the car and station. Common connectors are CCS, CHAdeMO, GB/T and NACS, depending on region. Charging is fastest at low state of charge and slows down towards full. The charging curve, which shows power against state of charge, is more useful than the peak value for comparing cars.

How it works

The station converts power and the car's battery management system requests the current.

Why it matters for your car

Very frequent fast charging may increase battery ageing slightly. A cold battery charges much slower; preconditioning helps.

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