The OnePlus Ace 3 Pro is powered by the Snapdragon 8 Gen 3 chipset and features a massive 6,100mAh battery capacity. OnePlus and Oppo are allegedly planning to launch a 6,500mAh battery, according to a new leak from tipster Digital Chat Station. It also appears that OnePlus 13 and Ace 4 were leaked by the tipster.

DCS reports that the Ouga group will launch a phone with a 6,500mAh battery. These new batteries are currently being tested on prototypes by the company. It will first appear on a OnePlus phone coming in the future.

According to DCS’ Weibo post, the two upcoming OnePlus phones will have micro-curved flat displays with 1.5K or 2K resolution. It appears to be the OnePlus Ace 4 and the OnePlus 13. They both have 6,000mAh batteries, ranging in capacity from 6100mAh to 6200mAh.

In comparison, the Ace 4 may come with the Snapdragon 8 Gen 3 chipset, while the OnePlus 13 is likely to feature the Snapdragon 8 Gen 4. The Ace 4 may be rebranded as the OnePlus 13R in the global market.

The OnePlus Ace 4 Pro with a 6,500mAh battery may launch in mid-2025 in China.