realme finally reveals a 15000mAh battery and Chill Fan phones

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As we reported yesterday, realme has finally unveiled its two prototype phones, featuring two never-before-seen innovations. To kick off its 7th anniversary, the company showcased a 15000mAh battery and Chill Fan phones.

 

The 15000mAh Ultra-High-Density Battery Phone

realme’s new 15000mAh Ultra-High-Density Battery sets a new benchmark for endurance. Built on 100% full silicon anode technology, the battery boasts an industry-first 1200 Wh/L energy density—making it the most power-dense smartphone battery to date.

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For users, this means up to four days of average usage on a single charge. It’s capable of recording video continuously for 18 hours and streaming playback for up to 53 hours. Although not commercially available yet, this is the biggest battery pack ever seen on a phone.

 

The realme Chill Fan Phone

realme’s second reveal: the new Chill Fan Phone, introduces an internal miniature fan paired with a thermoelectric cooler (TEC)—a first for smartphones. This internal cooling system actively drops core temperatures by up to 6°C, turning the device into a pocket-sized cooling system.

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Gamers can now enjoy sustained high frame rates across more than 20 AAA mobile titles, including Genshin Impact and Honkai: Star Rail, without the usual throttling or overheating. It’s essentially air-conditioning for your phone, built for those who play hard and demand more.

 

Will They Be Launched?

realme didn't specify, but we don't think these devices will be sold to the market. However, these two new features could potentially reach consumers in the future. We will just have to wait and see when the company does so.

As realme enters its anniversary, the company continues to double down on its promise: to anticipate user needs, break technical boundaries, and deliver devices that empower bold living. Stay tuned for more trending tech news at TechNave.com.