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US to Ban Pentagon Battery Purchases From China’s CATL, BYD

  • Rule was included in most recent Defense Authorization Act
  • Ban applies to four other manufacturers beginning October 2027

BYD Cube Pro lithium-ion energy storage batteries.

Photographer: Bing Guan/Bloomberg
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US lawmakers have banned the Defense Department from buying batteries produced by China’s biggest manufacturers, furthering efforts in Washington to decouple the Pentagon’s supply chain from its geopolitical rival.

The rule implemented as part of the latest National Defense Authorization Act that passed on Dec. 22 will prevent procuring batteries from Contemporary Amperex Technology Co. Ltd., BYD Co. and four other Chinese companies beginning in October 2027.