Experience days of nonstop use without reaching for a charger. Realme’s new 15,000 mAh concept phone pushes battery technology to the limit, packing unprecedented capacity into a phone just 8.89 mm thin.
“One single charge powers up to five days of real-world use and even lets you reverse-charge other devices.”
Table of Contents
Super-Slim, Super-Dense Battery
Realme achieved this breakthrough by:
- 100% silicon anode technology for 4× more silicon than conventional Si-C cells
- 1,200 Wh/L energy density for massive capacity in minimal volume
- Advanced lamination and packaging to slim the battery to 6.48 mm
Despite the huge cell, the phone measures just 8.89 mm thick—42% thinner and 68% lighter than a same-capacity power bank.
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Unmatched Endurance
On a single charge, you can expect:
- Up to 53 hours of video playback
- Up to 18 hours of video recording
- Up to 30 hours of gaming
- 5.18 days of mixed real-world use
- 3 months of standby in airplane mode
Key Specifications
| Feature | Specification |
|---|---|
| Display | 6.7″ OLED screen |
| Processor | MediaTek Dimensity 7300 |
| RAM & Storage | 12 GB LPDDR & 256 GB UFS |
| Charging | 80 W SuperVOOC fast charging |
| Reverse Charging | Yes (acts as power bank via USB-C) |
| Thickness | Phone: 8.89 mm; Battery: 6.48 mm |
| Weight Comparison | 68% lighter than equivalent power bank |
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Built-In AC: The Chill Fan Phone
Alongside the battery hero, Realme revealed the Chill Fan Phone, the world’s first “AC phone” featuring:
- A 7,700 mm² vapor chamber,
- A tiny thermoelectric cooler that cuts core temperature by 6 °C,
- A mini fan to expel heat rapidly.
Its IceSense Ultra back shifts from white to blue as it cools.
What About Price and Availability?
These are concept devices shown at Realme’s 828 Fan Festival 2025, with no retail price or launch date yet. Realme hints that 10,000 mAh phones may reach the market in 2026. Stay tuned for updates.
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FAQ
Q: When will the Realme 15,000 mAh phone be available?
A: It’s a concept phone with no confirmed release date. Realme may launch a 10,000 mAh model in 2026.
Q: Will it be heavy?
A: Surprisingly no—it’s thinner and lighter than many power banks of similar capacity.
Q: Does the Chill Fan Phone make noise?
A: The mini fan is designed to run quietly, though it may emit a gentle hum under heavy load.
Q: Is the battery safe and durable?
A: Realme uses new high-density silicon anode and solid electrolytes, but long-term lifespan details are pending.
Q: Can I use it to charge my laptop?
A: It acts as a USB-C power bank, but output power specs haven’t been revealed yet.
