The smart ED3 was shipped from the factory with a 3.7kW charger, for a surcharge you got a 22kW-charger. The 22kW charger was only available in Europe, in the US it is not possible due to lack of three-phase power network.
Upgrading a car with the 3,7kW-charger to the 22kW is not possible.
Standard charger
Supplier: Lear Corporation
Designation: unknown
Input: 1-phase @ 16A (100V - 240V)
Output: max. 380VDC @ 15A
Charger subject to surcharge
Supplier: BRUSA Elektronik AG
Designation: NLG664
Input: 1-phase to 3-phase @ 32A
Output: max. 410VDC @ 80A
