The battery is always charged with direct current (DC) as available directly from DC rapid charging stations. Thanks to the high charging capacity, range can quickly be increased. During AC charging at wallboxes, or in exceptional cases via the domestic grid, the vehicle is charged using alternating current (AC). This is converted in the vehicle to DC current by an AC on-board charger before being fed into the battery. With the flexible charging system both options are possible, as it contains the appropriate phase connector for many different charging situations.
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