Those are the more expensive packs with LCDs. The cheaper, simpler packs are onl... | Hacker News

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driverdan on Dec 16, 2022 | parent | context | favorite | on: Na-S Battery: Low-cost with four times the capacit...

Those are the more expensive packs with LCDs. The cheaper, simpler packs are only $9000 and just as good.

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