The US is losing the high-stakes global battery war

Though we rarely give them much thought, batteries — specifically lithium-ion batteries — enable modern life. They run our smartphones, yes, but they also power our Bluetooth speakers, toothbrushes, satellites, and pacemakers. In Australia, a partnership with Tesla will equip 50,000 homes with solar panels and battery packs, transforming them into a single “virtual power plant” capable of storing 250MW. Increasingly, batteries move us: from electric cars to pedal-assist b