Buy this phone if your day outlasts your battery. Walk away if your camera roll matters more than your charger does. That is the entire Realme P4 Power review in two sentences, and everything below is the evidence.
Realme did something in January 2026 that no brand had done before: it put a 10,001mAh battery inside a regular-looking phone and priced it at Rs 25,999 (Gadgets360). Nine months later, nobody has touched that number. The phone on Indian shelves now costs more than it did at launch, festive sales keep yanking the price up and down, and the battery is still the biggest reason to care. So the question is not whether the battery is big. It is whether the phone around it is worth your money at today’s price.
The battery is the real story here
10,001mAh. Say it slowly. That is roughly double what most phones sold this year carry, and Realme somehow fit it into a 9.08mm body at 219g (official spec sheets, via 91mobiles).
What does that buy you in real life? Realme claims 2.5 days of typical use and over 11 hours of BGMI on a charge (Financial Express, DailyKiran). Treat brand lab figures the way you treat restaurant portion photos, but the direction is right: 91mobiles’ expert review, which scores the phone 8.2 out of 10, calls it a “powerhouse for battery life, delivering over two days of use.” Two days for heavy users. Three, if you are kind to it.
Then the charging. 80W SuperVOOC takes the phone from empty to half in about 36 minutes (Financial Express). That ratio matters more than the raw wattage: a phone this big that charged slowly would be a weekend project. It is not. And there is 27W reverse charging, so the phone doubles as a power bank for your earbuds or a friend’s dying phone (Oct 13 review roundup).
Here is the detail most spec sheets bury, and the one I would print on the box: Realme promises a four-year battery health guarantee, replacing the battery if its health falls below 80 percent (DailyKiran). For a phone whose entire personality is the battery, that is the single most reassuring sentence any brand has attached to a 10,000mAh phone this year. Nobody else in this segment offers it.
What all that battery actually costs you
Physics does not do discounts. 219g and 9.08mm is light for a five-figure battery, genuinely impressive engineering, but this is still a big, thick phone next to anything normal. One-handed use is a stretch. Tight jeans pockets will notice.
The back is polycarbonate, not glass, and there is a single down-firing speaker (Cashify). For a phone built for long video sessions, one speaker is a strange corner to cut. Realme spent the budget on the cell and the screen and let the acoustics fend for themselves.
Cameras are where the compromise shows. The 50MP Sony IMX882 main camera has 2-axis OIS and shoots 4K (opchatgpt, Cashify), and in daylight it is perfectly good. The 8MP ultrawide is basic, the 16MP front camera is average, and Gadgets360’s review notes low-light imaging is not great. 91mobiles lands in the same place: solid performance and screen, but “camera limitations may not appeal to everyone.” If your phone is your camera, this is not your phone. That is not a small caveat at this price. It is the caveat.
Also on the honest list: no microSD slot, no NFC listed in the India specs, and the phone is thicker than conventional mid-rangers (Oct 13 review roundup). None of these are dealbreakers alone. Together they describe a phone with exactly one priority, and it is not subtlety.
Fast enough that you stop thinking about the chip
The Dimensity 7400 Ultra will not win benchmark arguments against flagship silicon, and it does not need to. Paired with the 6.8-inch 1.5K AMOLED running at 144Hz (91mobiles, Beebom), everything feels instant: scrolling, app switching, BGMI at high settings. MySmartPrice’s expert review scores the phone 8.3 out of 10 overall, and the consistent note across reviews is that performance is simply not a concern here.
The screen deserves its own sentence. A 144Hz AMOLED with peak brightness claimed up to 6,500 nits (Hindustan Times) means harsh Indian sunlight is a non-issue, and the high refresh rate makes the phone feel faster than its chip alone would suggest. Realme UI 7.0 runs on Android 16 (91mobiles). The phone also carries IP66, IP68 and IP69 ratings (Cashify), which is more weatherproofing than most phones at this price bother with.
The price story is where Realme gets cute
Here is the part that should annoy you a little. Realme launched the P4 Power at Rs 25,999 in January, then hiked it by Rs 3,000 in August, taking the base variant to Rs 32,999 (Gadgets360). During Flipkart’s Big Billion Days sale it dropped to Rs 29,999 (Gadgets360). Today, Gadgets360’s October 17 listing shows the 8GB/128GB base at Rs 29,920 on Amazon, while 91mobiles lists the 8GB/256GB at Rs 33,999 and the 12GB/256GB at Rs 36,999.
Realme discovered what every Indian seller eventually discovers: the launch price gets the headlines, the revised price gets the margins. The Oct 13 review roundup puts it bluntly, listing the “current price considerably higher than its original launch price” as a con.
So here is the only pricing advice that matters: do not buy this phone at the hiked sticker price if you can wait for a sale. At Rs 25,999 it was a landslide. At Rs 32,999 it is still a comfortable win over rivals like the Vivo S2 FE, which costs Rs 6,000 more with a slower chip, as our Vivo S2 FE vs Realme P4 Power comparison found. At a sub-Rs 30,000 sale price, the argument becomes mathematical. Time it like a flight booking.
Realme P4 Power review verdict: a specialist, and proud of it
No fence-sitting. Buy the Realme P4 Power if battery life is your religion: delivery riders, cab drivers, frequent travellers, field workers, hostel students who treat the common-room plug point as shared property, and anyone whose phone dies before their day does. The two-day-plus endurance, the fast refills, the 144Hz screen and that four-year battery guarantee make it the most complete endurance phone under Rs 35,000, ahead of big-battery rivals such as the Oppo F35 (see our Oppo F35 vs Vivo T5 comparison).
Do not buy it if you shoot a lot of photos, especially at night or with the ultrawide. Do not buy it if you want a slim, light, premium-feeling phone: 219g of polycarbonate with one speaker is honest, not luxurious. Do not buy it if you keep phones for five years and need maximum chip headroom, because the Dimensity 7400 Ultra is good, not great. And if the Vivo S2 FE’s slower chip and slower charging at Rs 38,999 tempted you at all, our Vivo S2 FE review explains why the Realme is the better buy for most people.
Most phones promise everything and deliver the average. The Realme P4 Power promises one thing and delivers it for two days straight. For the right buyer, that is not a compromise. That is the whole phone.