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Musk Says Efficiency Gains Could Give Cybercab a 40-kWh Battery
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Fusion42 · 8 November 2026 · Fusion42 review
Elon Musk stated that efficiency improvements could enable Tesla to equip the Cybercab robotaxi with a smaller 40-kWh battery pack in the future, potentially reducing vehicle weight and cost, though Tesla has not confirmed current battery size or production timelines. Tesla also plans to phase out Cybertruck production around mid-2027 to free resources for scaling Cybercab manufacturing.
This Wire brief sits within Fusion42's coverage of Micromobility.
◆ ◆ The Wire takeaway
Tesla's plan to cut Cybercab battery size signals a push to lower robotaxi costs and weight, letting you rethink fleet economics and charging strategy this year. The upcoming Cybertruck line closure clears the way to scale Cybercab production, opening new manufacturing opportunities for you.
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1 source · 8 Nov 2026
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