Tesla’s Cybertruck, its first vehicle with an 800-volt architecture, may not be able to benefit from third-party 800-volt chargers at the moment. The Cybertruck is designed to offer optimum performance on an 800-volt charger, but it faces challenges such as upgrading power electronics and inverters, improving electrical isolation, and the entire Tesla Supercharger infrastructure being 400 volts only. To overcome this, Tesla splits the battery pack in half and connects the two halves in series or parallel, depending on the charger’s voltage.

Tesla’s CCS to NACS adapter does not fit the Cybertruck due to plastic wheel arches blocking the charging port. The only option is to remove the plastic arches, but the Cybertruck and the 800-volt chargers do not communicate to initiate the charging session. It is unclear whether this is due to the Cybertruck being incompatible with the CCS charging standard or to shortcomings of the 800-volt CCS protocol. If the Cybertruck can’t charge on CCS stations, it means it might also not work on third-party NACS stations, which still follow the CCS communications protocol. Tesla hopes to provide a software update to ensure the Cybertruck is not confined to Superchargers in the future.

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