You have been granted access, use your keyboard to continue reading.Power ⚡︎ MovesAs warfare is reinvented in Ukraine, and Silicon Valley races to maintain its A.I. lead, China’s battery dominance is raising alarms far beyond the auto industry.A data center in Ashburn, Va. Immense batteries are critical to protect sensitive A.I. computer software.Credit...Andrew Caballero-Reynolds/Agence France-Presse — Getty ImagesPower ⚡︎ MovesThe Pentagon and A.I. Giants Have a Weakness. Both Need China’s Bat...