New Delhi: The era of carrying power banks might officially be over. In a move that challenges the physics of modern smartphones, Realme launched the Realme P4 Power 5G in India today, January 29. The headline feature is hard to miss: it is the first commercial smartphone in India to pack a colossal 10,001 mAh battery.
Despite the massive cell, the phone defies bulkiness—weighing just 219g and measuring 9.08mm thick, thanks to new Silicon-Carbon anode technology.
Price & Availability
Realme has positioned this “endurance monster” aggressively in the mid-range segment.
- 8GB + 128GB: ₹25,999
- 8GB + 256GB: ₹27,999
- 12GB + 256GB: ₹30,999
Sale Date: The first sale begins February 5, 2026, at 12:00 PM via Flipkart and Realme.com. Launch Offer: A flat ₹2,000 Instant Bank Discount (SBI/HDFC) brings the effective starting price down to ₹23,999.
The “Titan Battery” Technology
How did they fit a 10,000+ mAh battery into a standard-sized phone?
- Silicon-Carbon Magic: Unlike traditional Lithium-Ion batteries, the P4 Power uses a Silicon-Carbon anode “Titan Battery,” which offers much higher energy density.
- Real-World Usage: Realme claims this translates to 932 hours (39 days) of standby, 32.5 hours of continuous YouTube streaming, or 11.7 hours of heavy gaming (BGMI).
- Charging: It supports 80W SuperVOOC charging (0-50% in 36 minutes) and doubles as a power bank with 27W Reverse Charging to juice up your other gadgets.
Specs: Not Just a Battery Phone
Beyond the battery, the P4 Power packs serious hardware.
- Display: A 6.8-inch 1.5K HyperGlow AMOLED panel with a 144Hz refresh rate and a blinding 6,500 nits peak brightness.
- Performance: Powered by the MediaTek Dimensity 7400 Ultra (4nm) chipset, paired with a dedicated HyperVision+ AI chip for gaming interpolation.
- Cameras: A 50MP Sony IMX882 (OIS) main sensor and an 8MP Ultra-wide lens.
- Durability: It is built like a tank with IP69, IP68, and IP66 ratings for water and high-pressure jet protection.
Key Highlights
- Battery Record: 10,001 mAh (Largest in India).
- Thickness: Only 9.08mm (Thinnest for this capacity).
- Effective Price: Starts at ₹23,999.
Buying Advice: Realme P4 Power vs. Redmi Note 15 Pro
Both phones launched today, creating a fierce battle in the ₹25K-30K segment. Here is how they compare.
| Feature | Realme P4 Power 5G | Redmi Note 15 Pro | Winner |
| Price (Base) | ₹25,999 | ₹29,999 | Realme (₹4k Cheaper) |
| Battery | 10,001 mAh (Titan) | 6,580 mAh | Realme (By far) |
| Charging | 80W Wired + 27W Reverse | 45W Wired | Realme |
| Processor | Dimensity 7400 Ultra | Dimensity 7400 Ultra | Tie |
| Camera | 50MP (Sony IMX882) | 200MP (Samsung HPE) | Redmi (For Detail) |
| Display | 144Hz, 6500 nits | 120Hz, 3200 nits | Realme (Brighter/Faster) |
| Durability | IP69/IP68 | IP69/IP68 | Tie |
Our Verdict:
- Buy the Realme P4 Power if: You value battery life above all else, want a brighter 144Hz display for gaming, and want to save ₹4,000.
- Buy the Redmi Note 15 Pro if: You prioritize ultra-high-resolution photography (200MP) and prefer a glass-back design over the translucent aesthetic.
FAQ Section
A1: Surprisingly light. It weighs 219 grams, which is comparable to an iPhone 16 Pro Max or Galaxy S25 Ultra, despite having nearly double the battery capacity.
A2: Yes. Realme includes a compact 80W GaN SuperVOOC charger in the retail box.
A3: No. The device comes with UFS 3.1 storage (up to 256GB) but lacks a microSD card slot.
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