Phones keep getting bigger batteries every year, but Xiaomi might be about to take it further than anyone expected. A new leak points to a Redmi phone with a 7-inch display and a 10,000mAh battery. It’s reportedly coming toward the end of 2026. The details come from Digital Chat Station , a well-known tipster, who posted the information on Weibo. No model name came with the leak, but the community thinks it’s the Redmi K100 Pro Max. That would make it the follow-up to last year’s K90 Pro Max. According to the leak, the phone would come with a 7-inch 2K display and a 3nm chipset. There’s also a metal frame, an ultrasonic in-display fingerprint scanner, and IP68/IP69 water resistance. How It Stacks Up Against the K90 Pro Max For context, the Redmi K90 Pro Max launched in October 2025 with a 6.9-inch display and a 7,560mAh battery. So if these numbers are accurate, the next one would be stepping up noticeably on both fronts. A 7-inch screen would put it above most phones on the market right now.…