Underpinning GM’s electrification strategy is something the automaker calls Ultium. It’s a tech-heavy modular battery architecture that allows for varying cell arrangements, making it so the same battery cells can live in a low, flat pack for sportier vehicles, or in stacked, beefier packs for delivery vans and heavier-duty vehicles like the GMC Hummer EV.
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Source: Electric - cnet.com
