Realme has been teasing a new smartphone since a few days. The main highlight of the device is its 10,000mAh+ battery, packed in a regular form factor as a normal phone. The upcoming Realme handset is confirmed to launch on August 27. The company has posted a promotional poster on its social media, revealing the battery capacity of the phone.
Realme 1x,000mAh Phone
Realme took to X (formerly Twitter) to share a promotional teaser poster for the upcoming smartphone, which reveals that the device will pack a massive 15,000mAh battery. The poster shows a phone with a slim form factor, unlike other rugged devices which pack a 10,000mAh+ batteries.
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– Global Realme (@realmeglobal) August 25, 2025
The upcoming Realme phone is expected to be a concept phone and not a commercial unit, which means it may not be available to buy. According to the poster, the 15,000mAh battery phone will deliver up to 50 hours of video playback on a full charge. It is also claimed to offer over 5 days of backup on a single charge.
Previously, Realme had unveiled a 10,000mAh concept phone back in May with an ultra-high silicon-content anode battery. It features a 10 percent silicon ratio, which is said to be the highest for any smartphone. The 10,000mAh Realme concept phone packs a ‘Mini Diamond’ architecture that offers an energy density of 887Wh/L. It supports 320W fast wired charging. The phone is just 8.5mm thick like a regular phone and weighs just over 200 grams.
Realme introduced the 320W SuperSonic Charge technology in August last year. It is claimed to charge the device from 0 to 100% in just 4 minutes and 30 seconds. According to Realme, the charging technology can charge 26% of battery in just a minute while a two-minute charge can provide up to 50% of charge to the battery.
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