On September 23, 2025, Lei Jun took to social media to share some exciting news. He disclosed that the Xiaomi 17 Pro series smartphones are set to impress with their outstanding battery performance. These cutting-edge devices come equipped with the newly developed Xiaomi Jinsha River battery. This battery stands out with a remarkable silicon content of up to 16%, which contributes to its high energy density. What's more, for the very first time, it employs L-shaped packaged, irregularly-shaped stacked battery technology. This innovative approach significantly boosts the battery's capacity, setting a new benchmark in the smartphone industry.