New Delhi, Dec. 6 -- OnePlus is preparing to launch the OnePlus 15R on 17 December, and ahead of the event the company has begun confirming major specifications. The latest reveal highlights a significant upgrade to battery capacity, setting a new record for the brand.

The Chinese firm has announced that the OnePlus 15R will include a 7,400mAh battery, the largest ever used in a OnePlus device. This surpasses the 7,300mAh unit in the regular OnePlus 15, although it remains below earlier speculation that pointed to an 8,300mAh cell.

According to OnePlus, the battery is designed for users who need long-lasting performance for gaming, streaming and productivity. It uses Silicon Nanostack technology with 15 per cent silicon content in the a...