The OnePlus 15 is going to launch in a few weeks time. However, leaks and rumours show no signs of stopping, as the latest one has now revealed the alleged battery and charging details of the upcoming flagship.
OnePlus 15 will feature over 7,000mAh battery
Leaker Panda is very bald took to Weibo to claim that OnePlus 15 will sport a 7,300mAh battery and will offer 120W fast USB-C charging support. It will also bring 50W wireless charging to the table.

If true, this will bring a substantial upgrade over the OnePlus 13, which featured a 6,000mAh battery and 100W fast USB-C charging support. However, it is important to note that while this could be true, it can vary depending on the region OnePlus decides to launch the OnePlus 15.
Speaking of the launch region, the OnePlus 15 India launch has already been teased and is expected to land in the country in November 2025. It will first break cover in China in the coming weeks of October 2025. Although an exact launch date is not known, the tipster believes that the OnePlus 15 could go official as soon as October 23, 2025.

Apart from this, Panda's post has also mentioned an 8.1mm thickness and a weight ranging from 211 grams to 215 grams, depending on the colour option. As for that, the OnePlus 15 is said to arrive in Titanium, Black and Purple options.
OnePlus 15 confirmed and expected details
While OnePlus has not spilt much of the smartphone's details officially, the band did confirm the existence of the Snapdragon 8 Elite Gen 5 processor. Besides, some of the OnePlus 15 display details were also confirmed and the flagship will arrive with a 165 Hz panel.

Moreover, the recent OnePlus 15 key specifications leak also revealed a triple rear camera setup for the smartphone with a 50 MP Sony LYT-700 main sensor, a 50 MP 3.5x Samsung JN5 telephoto lens and a 50 MP Samsung JN5 ultra-wide angle camera.
Other than that, expect to see a 6.78-inch 1.5K BOE display on the smartphone along with an ultrasonic fingerprint scanner underneath. It will also allegedly bring improved haptics, an IR blaster, an upgraded Vapour cooling module, an IP68/69 rating and a USB-C 3.2 Gen 1 port. The upcoming flagship is also said to arrive with LPDDR5x RAM and UFS 4.1 storage.