The first edition of UL 1487, the Standard for Battery Containment Enclosures, was published on February 10, 2025, by UL Standards & Engagement as a binational standard for the United States and Canada.
[pdf] The "Juche" Flow Battery: A National Pride Inspired by vanadium flow batteries, scientists claim a proprietary design using locally mined zinc. Early tests show 65% efficiency—not stellar, but a start. State media calls it “a revolutionary leap in energy storage self-reliance.”
[pdf] A lithium-ion power inverter is an integrated system combining high-capacity lithium-ion batteries with electronic circuitry to convert DC power to AC electricity (110V/220V). These inverters support solar energy storage, off-grid power, and emergency backup with 85–95% efficiency.
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