My controller will be available soon CHAdeMO controller for DC fastcharge - EVcreate
However, I think at 72V it will not work at many stations. Officially according to the standard chargers should support as low as 50V, but in practice you need 200V or even 250V as a minimum.
Furthermore I think at 72V the added value will limited. At 100A you still only have 7.2kW of charge power.
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