High-voltage and 12V electrical system topology for smart fortwo 451 EV, showing battery, power electronics, chargers, and motor interconnections.

System schematic with G1 battery, N129/1 control unit, F34/6 fuse box, chargers N83, motor M5, and high-voltage connections in orange.

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See all EV-specific figures for the Fortwo (451), or browse the full figure library. Part numbers and callouts are community-sourced and cross-referenced against the manuals — confirm with your VIN before ordering.