The competition for longer-lasting smartphone batteries is heating up, especially among Chinese brands like Xiaomi and Honor. Recent leaks suggest that Xiaomi’s sub-brand Redmi is developing a smartphone equipped with a battery capacity between 8,500mAh and 9,000mAh — an impressive figure considering the device is expected to maintain a slim profile under 8.5mm thick.

The Growing Demand for Large Batteries in Smartphones

Smartphone manufacturers are racing to deliver devices with larger batteries, catering to users who need extended usage without constant charging. Honor recently hinted at a new Power series phone that could feature a 10,000mAh battery, a capacity usually reserved for tablets or rugged phones.

Following this trend, Redmi is expected to launch one of its largest batteries yet, addressing the growing demand for phones that can handle heavy usage like gaming, video streaming, and multitasking, all while staying sleek and portable.

Silicon-Carbon Battery Technology: Enabling Bigger Batteries in Slim Designs

The secret behind fitting such large batteries into thin phones lies in silicon-carbon composite battery technology. According to tipster Digital Chat Station (via Weibo), Redmi is reportedly using this advanced tech to incorporate an 8,500mAh to 9,000mAh battery in a phone with thickness below 8.5mm.

Silicon-carbon batteries improve energy density by combining silicon and carbon materials. This allows for higher capacity without increasing size or weight, while also aiming to preserve battery lifespan despite the higher charge density.

What This Means for Redmi Users

If the leaks are accurate, Redmi’s upcoming smartphone will feature its largest battery to date, surpassing the 8,000mAh rumored for the Redmi Turbo 5 Pro. To provide context:

The current Redmi Turbo 4 Pro includes a 7,550mAh battery.

The Redmi Turbo 5 Pro is expected to increase to 8,000mAh.

The new model could push capacity close to 9,000mAh.

This translates into significantly longer battery life, perfect for power users who rely on their phones for intensive daily tasks. The sub-8.5mm thickness means users won’t have to compromise on design or comfort.

Competitor Spotlight: Honor’s 10,000mAh Battery Phone

Xiaomi isn’t alone in the large battery race. Honor is developing the Honor Power 2, a successor to the April-launched Honor Power that came with an 8,000mAh battery. The new model reportedly aims for a massive 10,000mAh capacity — a size rarely seen in smartphones.

Honor also uses silicon-carbon technology, evident in the Honor X70, which fits an 8,300mAh battery in a slim 7.96mm body. The X70 offers up to 18 hours of screen time and supports 80W fast charging, setting a high benchmark for battery performance.

What the Future Holds for Smartphone Batteries

The push to combine large battery capacity with slim designs reflects evolving consumer needs for all-day endurance without bulky devices. Redmi’s rumored use of advanced battery tech signals a shift where users won’t need to choose between battery life and portability.

This competition also highlights how battery innovation is becoming a critical differentiator in the smartphone market, especially among Chinese manufacturers striving to meet rising consumer expectations.

Conclusion

Xiaomi’s Redmi is on track to deliver a smartphone with a massive 9,000mAh battery while keeping the device slim and manageable, thanks to cutting-edge silicon-carbon battery technology. This aligns with industry trends led by competitors like Honor and responds to growing user demands for devices that balance endurance and elegance. As battery technologies continue to evolve, consumers can expect smartphones that offer longer-lasting power without compromising sleek design.

Follow Before You Take on:

Stay informed, Stay Connected!

The post Redmi Rumored to Launch Smartphone with 9,000mAh Battery Without Adding Bulk appeared first on Before You Take.