Volvo plans to upgrade the EX90's battery pack from a 400V system to an 800V configuration, enhancing charging speeds significantly. This change is motivated by the need to compete with rivals, as many leading electric vehicles (EVs) already use 800V technology. CEO Jim Rowan highlighted the benefits of this upgrade, including the ability to charge approximately 300 kilometers (186 miles) in just 10 minutes. The upgrade reflects Volvo's commitment to improving performance and standardization across its vehicle platforms, with the change likely occurring during the model's mid-cycle refresh in approximately three to four years.
The biggest benefit of an 800V system over a 400V one is its ability to charge at faster speeds. You don't get more range, but it enhances efficiency.
We started off with 400 volts on the SPA2 architecture, and then we wanted to upgrade that-partly because of range and faster charging speeds; now we can put about 300 kilometers (186 miles) of range on in 10 minutes.
As we go forward, we'll move everything to 800 volts—we'll upgrade the EX90 in one of the model-year changes. That helps us standardize across the platform.
Currently, the 400V EX90 can charge at up to 250 kW from a DC fast charger, leading to more efficient charging but lacking the competitive edge of higher voltage systems.
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