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Tesla’s Cybercab battery design could make robotaxis even cheaper
Tesla’s Cybercab battery pack was intentionally designed with extra internal space to accommodate future lithium‑iron‑phosphate (LFP) cells, aiming to lower costs and improve durability. The current pack uses 4680 nickel‑based cells, but the reserved room allows a switch to LFP, which is cheaper, cooler, and longer‑lasting, albeit with lower energy density. The pack also features four modular, sealed cells for easier repair, addressing high service costs. Tesla plans to deliver Cybercabs by end‑2026, with most remaining company‑owned [...]