GoKawiilSilicon-carbon batteries have been leading phones to eyebrow-raising battery life, and the Realme P4 Power includes one of the biggest batteries we've seen in a phone. It's setting an even higher benchmark with a 10,001mAh battery. By comparison, this is double the capacity we see in more mainstream phones like the Samsung Galaxy S26 Ultra, which includes a 5,000mAh battery.
The Realme phone surpasses what we've seen in other phones with this type of battery, including the OnePlus 15's 7,300mAh battery and the RedMagic 11 Pro's 7,500mAh battery. Phones with batteries of this scale provide up to two days of use and often have faster charging speeds to go with it.
The Realme P4 Power is currently available in India -- it's unlikely to ever come to the US -- but despite its chart-topping battery capacity, it's relatively inexpensive at INR 25,999, or approximately $285. It's just a little bigger than the 10,000mAh battery in the Honor Win, which I got to try out last year but didn't get extended time in order to really test it out.
That's why I was excited to put my SIM into the Realme P4 Power, during which I was able to test this phone through all of CNET's battery tests, use it as my primary device and even as a power bank for my iPhone along the way.
All that battery without any major drawbacks
It doesn't sacrifice on design or features to fit a big battery. Prakhar Khanna/CNET
The best part about the Realme P4 Power is that it doesn't sacrifice comfort for additional battery capacity. It isn't a slim and light phone but at 9.1mm thick and 219g weight, it is lighter than some big flagship phones, including the iPhone 17 Pro Max and Google Pixel 10 Pro XL.
Realme's TransView Design has a translucent look around the camera module, which accentuates its "Power" branding. I like this distinct design and in-hand feel. It has curved corners as well as slight curves on the back that make it easy to hold. (Please take note, Samsung.)
The Realme P4 Power has a plastic back and frame, while the front is protected by Gorilla Glass 7i. It is also rated for durability with IP66, IP68 and IP69 dust- and water-resistance ratings. This means, it can survive freshwater submersion and high-pressure water jets and is also protected against small dust particles.
On the front, you get a 6.8-inch AMOLED display with a 2,800x1,280-pixel resolution, 144Hz refresh rate, 1,800 nits brightness and 6,500 nits peak brightness for HDR-supported content. Like many phones, you have to manually set it to a higher resolution and refresh rate to take advantage of these features.
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