Realme 15,000mAh and Chill Fan Phone concepts were officially showcased at the 828 Fan Festival in China, highlighting the company’s next-level innovation in smartphone technology. The first device packs a gigantic 15,000mAh battery, promising nearly five days of uninterrupted usage, while the second comes with a 10,000mAh battery and an integrated cooling system featuring a mini fan and thermoelectric cooler that cuts device temperature by up to 6°C.
The Realme 15,000mAh phone is built with an advanced silicon anode design, delivering four times more efficiency compared to traditional Si-C batteries. With an energy density of 1,200 Wh/L, the phone enables extended performance such as 50+ hours of video playback, 30 hours of gaming, and over 18 hours of video recording. Surprisingly, despite the massive power capacity, the device remains just 8.89mm thick. Thanks to reverse charging support, the phone can also double as a power bank.
Reports from Weibo suggest the device is equipped with MediaTek Dimensity 7300, 12GB RAM, 256GB storage, and a 6.7-inch display running on Realme UI 6.0 based on Android 15. The battery itself measures only 6.48mm, making it one of the slimmest high-capacity designs ever presented.
On the other hand, the Realme Chill Fan Phone is designed with a triple cooling system that includes a 7,700mm² vapor chamber, a spinning cooling fan, and a built-in thermoelectric cooler.
Read More: Vivo T4 Pro Unveiled: Snapdragon 7 Gen 4, 50MP Periscope, 6500mAh Battery
This combination ensures smoother performance and temperature reduction of up to 6°C, allowing gamers to enjoy maximum FPS across 20+ top gaming titles. Its design resembles the Realme GT7 lineup, complete with the IseSense Ultra back panel that changes color from white to blue when the phone cools down.
Although the Realme 15,000mAh and Chill Fan Phone concepts will not be released commercially, they demonstrate Realme’s focus on futuristic smartphone R&D. With such groundbreaking concepts, the brand continues to push the limits of mobile innovation, leaving tech enthusiasts eager to see which features make their way into upcoming Realme devices.
