Overview
- A Weibo tip from Digital Chat Station reported that an engineering prototype of the Xiaomi 18 uses a 7,200mAh battery, but Xiaomi has not confirmed the claim.
- That capacity would be about 200mAh larger than the Xiaomi 17's 7,000mAh cell, representing a modest incremental change rather than a major jump.
- Earlier leaks attributed to the same tipster say the Xiaomi 18 aims for a compact 6.4-inch 2K display and a 200-megapixel primary camera with a possible dual 200MP setup, all of which remain unverified.
- Industry reports show other manufacturers testing far larger 8,000–10,000mAh cells, so the Xiaomi 18's reported size would keep the phone competitive on runtime without following the highest-capacity experiments.
- The report frames the device as an engineering prototype that could change before a likely September China unveiling, so buyers and reviewers should wait for official specs and certification testing.