A smartphone with a 9,000mAh battery? This upcoming device could change everything

Smartphones with 4,500mAh to 5,500mAh batteries are already common in the premium segment, while most smartphones built and advertised to be used by power users don’t have a battery capacity that can exceed 7,000mAh. A battery capacity of 9,000mAh or more is therefore an audacious jump.

This will allow many users to get two full days of usage without recharge even if they stream videos, use GPS, play games, and scroll social media apps and sites for long periods. It could give less frequent travelers, busy professionals, and power gamers peace of mind, knowing that they do not have to worry so much about charging locations when they are away from home for the entire day.

Performance specs and design tradeoffs

The capacity of a battery is not the only factor that matters when it comes to a good smartphone experience and OnePlus would likely want to avoid making too many tradeoffs. Leaks indicate that it might be equipped with a high-end chipset from Qualcomm. It could also feature the new Snapdragon 8-series processor that is optimized for efficiency, as well as for high performance.

This would allow the OnePlus phone to deliver great performance for gaming on the go, multitasking, and other processor-intensive functions while also deriving a lot of mileage out of the extra-large battery it will pack. It is also expected to be equipped with a high-refresh-rate OLED screen that OnePlus has been known to put on its smartphones to provide smooth and responsive user experiences.

Don’t expect a slow-charging smartphone

Users won’t likely have to worry about a 9,000mAh battery turning a OnePlus phone into a slow-charging device. Fast charging is also one of the technologies that the smartphone brand is known for and leaks also suggest that the phone will support fast charging at a speed of 80W or above.

This will keep the phone from being bulky and inconvenient to use, even with the large battery. It will still allow a quick recharge time that makes it practical to use despite the large battery.

The real target audience for the phone

The phone is likely to be targeted at users who care more about battery life than thin and light smartphone designs. Gamers, power users, heavy travelers, and individuals who spend a lot of time on their phones at work or play are the ones who will benefit from the smartphone the most.

The phone may also help OnePlus to stand out in a market that is beginning to see an influx of new brands and where most are putting a lot of emphasis on adding artificial intelligence (AI) features and enhancing cameras, while little is being done about the lackluster improvement of battery life.

Is OnePlus really launching a 9000mAh phone? The expected timeline

OnePlus has not yet announced the existence of this smartphone and its launch has also not been confirmed. But with more leaks emerging every day, it may soon come up with an official announcement in the next few months, possibly early 2026, if it plans to sell the phone outside the Chinese market.

If it is sold globally, the smartphone is likely to become a game-changer for smartphone battery capacities and help give smartphone users what they have long been asking for—a true all-day and even multi-day power.