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World's first 628Ah grid-scale battery enters operation
(www.ess-news.com)
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this post was submitted on 13 Feb 2026
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Many articles leave that out. The headline for instance only lists Ah
But isn't AHr a better measure for battery storage ?
No, you're still missing voltage to give you the total energy storage, or Watt-hour (wh). For a cell of known chemistry, the voltage is implied. For example, lithium ion's nominal voltage is ~3.7V. However, the term "battery" is ambiguous. Could be one cell, could be many strapped together to form your "battery". See 12V lead acid batteries. Therefore, Ah is only half the answer.