Highlights
- Realme is set to unveil a smartphone with a massive 15,000mAh battery, one of the largest capacities ever teased.
- A second model introduces AC-inspired active cooling, capable of reducing core temperature by 6°C.
- Both devices will debut at the Realme 828 Fan Festival on August 27, 2025.
If you are a real tech enthusiast, you must be aware that Realme is gearing up for its upcoming 828 Fan Festival scheduled for August 27, 2025. The brand has already begun teasing some futuristic smartphone technologies we can expect to get a full review at the event. Among the highlights are a phone with a massive 15,000mAh battery and another unique model called the Realme Chill Fan Phone with a built-in AC-inspired active cooling system. Here’s what we know about the phones so far.
Realme’s 15,000mAh Battery Phone Promises Record-Breaking Endurance
The Realme device with a 15,000mAh battery is designed to deliver extraordinary backup. According to the company, the phone is capable of 50 hours of video playback on a single charge, 18.45 hours of video recording and up to 5.18 days of usage with regular activity.
This makes it one of the largest-capacity smartphones ever teased, promising ultra-long endurance for heavy users.
realme 1x000mAh
Up to 50 hours of video play on a single charge.
Get comfortable, get immersed.
Free to be “lost in the story.” pic.twitter.com/16duFgnQzP— realme Global (@realmeglobal) August 25, 2025
Realme Chill Fan Phone Introduces “AC Cooling”
Another big reveal is the Realme Chill Fan Phone, which introduces the world’s first smartphone with “AC” cooling technology. While gaming phones have used active cooling fans before, Realme claims this model goes a step further.
As per the teaser, the phone’s internal cooling system can reduce core temperature by up to 6°C. What makes it even more interesting is that the AC-like system can be toggled on and off as needed.
Say hello to the realme Chill Fan Phone, the world’s first “AC” phone! Game cooler with up to 6°C reduction in core temperature, and the AC feature works just like a regular air conditioner—you can turn it on and off as you please.
Free to be real, free to be chilled! pic.twitter.com/Qip4OeXK1o
— realme Global (@realmeglobal) August 25, 2025
The teaser video also showcased the phone’s side-frame vent, powerful enough to blow out a candle and even push a rubber duck floating in water, a playful demonstration of the fan’s strength.
Launch Event Details
The Realme 828 Fan Festival will take place on August 27, 2025, at 11 AM CST.
Save the date! realme 828 Fan Festival is LIVE tomorrow (Aug 27, 11 AM UTC+8), we’re celebrating our 7th birthday with you, our amazing fans!
Get ready for two exciting cool tech reveals and the highly anticipated realmeow Fluffy Edition and 828 T-shirt!
Don’t miss out on this… pic.twitter.com/A9ifpvaqVW
— realme Global (@realmeglobal) August 26, 2025
While Realme’s teasers have sparked curiosity, it remains to be seen how the Chill Fan Phone’s AC cooling is a true breakthrough in smartphone thermal management.
FAQs
Q1. What is special about Realme’s 15,000mAh battery phone?
Answer. Realme’s 15,000mAh battery phone promises up to 5.18 days of regular use, 50 hours of video playback, and 18.45 hours of video recording, setting new endurance benchmarks.
Q2. What is the Realme Chill Fan Phone and how does its cooling system work?
Answer. The Realme Chill Fan Phone features an AC-inspired active cooling system that can reduce core temperature by up to 6°C. The system is toggleable and powerful enough to blow out a candle, as shown in teaser demos.
Q3. When and where will Realme unveil these new devices?
Answer. Realme will officially unveil both the 15,000mAh battery phone and the Chill Fan Phone during its 828 Fan Festival on August 27, 2025, at 11 AM CST.
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