The Cybercab, a two-passenger battery-electric self-driving car under development by Tesla, on display at a Tesla showroom in Bellevue, Washington.

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Tesla designed the Cybercab’s battery pack with spare space so it can later use cheaper lithium iron phosphate (LFP) cells, battery engineer Robert Sumpf told Munro Live. The robotaxi now uses Tesla’s 4680 cells. Tesla also said the Cybercab line can build cars faster than it deploys them.

Tesla designed the battery pack in its Cybercab robotaxi so it can later switch to cheaper lithium iron phosphate (LFP) cells. A Tesla engineer said so on the YouTube channel Munro Live, InsideEVs reported .…