Xiaomi Is Working On A Smartphone With A Massive 8,500 mAh Battery: Tipster

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TL; DR
  • According to the Chinese tipster Digital Chat Station, Xiaomi is testing a new smartphone (as part of its sub-brand) with a massive battery.
  • If the tipster is correct, the purported handset could have a larger battery than the upcoming Redmi Turbo 5 Pro, which is expected to debut with an 8.000 mAh battery (larger than the 7,550 mAh battery on the Redmi Turbo 4 Pro).

While you might not encounter them on mainstream flagships from Samsung, Apple, or Google, Chinese brands have been using silicon-carbon batteries on their smartphones for some time.

When compared to regular lithium-ion batteries, silicon-carbon batteries are known to accommodate a higher energy density, increasing the battery capacity without increasing the thickness of a phone.

Phones like vivo X200 (review), Oppo Find X8 (review), and several mid-range offerings from Chinese brands already feature the technology. Now, a renowned tipster has claimed that a brand is working on an exceptionally larger battery.

Also Read: vivo V60: Redefining Portrait Photography for a New India

A Chinese Company Is Working On A 9,000 mAh Battery Phone

Forget the Redmi Turbo 5 Pro, Xiaomi Is Working On A Smartphone With Up To 9,000 mAh Battery

According to the Chinese tipster Digital Chat Station, Xiaomi is testing a new smartphone (as part of its sub-brand) with a massive battery. The tipster mentions that the brand has “successfully tested [a phone] in the laboratory with an 8,500 mAh battery, approaching 9,000 mAh.”

It is worth mentioning here that the tipster hasn’t mentioned the company or the brand’s name. Instead, it is the Weibo users (in the comment section) who are connecting the rumor with the Chinese smartphone manufacturer Xiaomi (whose sub-brand Redmi is experimenting with an 8,500 – 9,000 mAh battery).

Along with developing a consumer-grade battery with a massive battery, the company (likely Xiaomi) is also trying to retain the battery cycle life and the thickness of the body (which is said to be within 8.5mm).

Also Read: GPT-5: Better Coding Abilities, Lesser Hallucinations, And Limited Availability To Free Users

Xiaomi Might Use Some Sort Of Proprietary Silicon-Carbon Technology

If the tipster is correct, the purported handset could have a larger battery than the upcoming Redmi Turbo 5 Pro, which is expected to debut with an 8.000 mAh battery (larger than the 7,550 mAh battery on the Redmi Turbo 4 Pro).

To achieve this, the company is likely using a modified version of the current silicon-carbon battery, likely with higher energy density than regular Si/C batteries (around 20% more than). If this happens, the phone will become a mainstream phone with one of the largest batteries.

Also Read: 5 Features I Want to See in the iPhone 17 Pro

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Shikhar MehrotraShikhar Mehrotra
Shikhar Mehrotra is a seasoned technology writer and reviewer with over five years of experience covering consumer tech across India and global markets. At Smartprix, he has authored more than 1,700 articles, including news stories, features, comparisons, and product reviews spanning automobiles, smartphones, chipsets, wearables, laptops, home appliances, and operating systems. Shikhar has reviewed flagship devices such as the iPhone 16, Galaxy S25+, and Sennheiser HD 505 Open-Ear headphones. He also contributes regularly to Smartprix’s growing automotive section.

With a deep understanding of both iOS and Android ecosystems, Shikhar specializes in daily tech news, how-to explainers, product comparisons, and in-depth reviews. His DSLR photography in product reviews is recognized as among the best on the team.

Before joining Smartprix, Shikhar wrote for leading publications including Forbes Advisor India, Republic World, and ScreenRant. He holds a Bachelor of Arts in Journalism and Mass Communication from Amity University, Lucknow.

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