A123 Build with PCB mock up -Help me see problems

I really like the LiFePO4 chemistry in a commuter board at 12S if extreme range isn’t your need. (Just long range but not extreme range :rofl:)

They feel hardly any sag at all, they have a super long lifetime, they are very good in very cold weather, and generally more robust than lithium-ion. Just less energy-dense.

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