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Lithium-ion batteries are remaking Google’s data centers


Google is replacing lead-acid battery backup units with lithium-ion cells, freeing up space for more servers.

Case in point: Google announced late last month that it has installed 100 million lithium-ion cells across its data centers to provide backup power to its servers. Batteries are everywhere, and thanks to the relentless push to slash costs for electric vehicles, they’re driving change in myriad parts of the economy. One startup is even using small cells to displace dry ice from medical specimens shipments, offering finer temperature control and a host of tracking data to boot.

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