vivo has introduced its latest large foldable screen smartphone, the X Fold5, featuring the groundbreaking equivalent 6000mAh Blue Ocean Battery. This innovative battery integrates fourth-generation silicon anode technology with second-generation semi-solid battery technology, boosting energy density by 13% at room temperature and an impressive 20% in colder environments. Remarkably, it maintains normal operation even in extreme temperatures as low as -30℃.