Vivo’s Monster Phone Battery: What’s Hidden Inside the 10, 000mAh Claim

Battery sizes in phones keep getting bigger, but Vivo just jumped way ahead. A tipster shared on Weibo in early 2026 that the company is testing a phone packing a 10, 000mAh battery—the biggest yet in a smartphone that still fits in your pocket. Most phones max out around 5, 000mAh, so this is a hug