GM is charting a course away from its Ultium battery system. The company is dropping that standardized approach in favor of a wider range of battery cell chemistries and physical formats.
The automaker had hoped that, by adopting a unified system across all of its EVs as well as other products, it would be able to reduce costs and ship them faster. The plan was to pack the flat pouch-style Ultium cells into a variety of modules depending on what was needed for each EV.
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