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These newly released phones are putting Samsung, Google, and Apple to shame

Realme and Honor launch phones with massive 10,000 mAh batteries.

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By Johanna Romero

Published: Jan 20, 2026, 3:26 PM

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Realme P4 Power battery. | Image credit — Realme

If you feel like you are constantly tethered to a wall outlet or hunting for your power bank, two new smartphones might just change your life. Realme and Honor have both unveiled devices with massive batteries that promise to last up to a week on a single charge.

A new era of battery life

For a long time, at least here in the U.S., we have accepted that a "good" phone battery sits right around 5,000 mAh. It gets us through the day, and maybe a bit into the next if we are careful. But according to a new report, that standard is being shattered. Realme, a brand known for budget-friendly devices, introduced the Realme P4 Power with a staggering 10,001 mAh battery. They are calling it the "Titan" battery, and they claim it can keep the phone running for a full week.

It isn't just about size, though. Realme says this battery is built to last in the long run too. They are promising it will hold up for 1,650 charging cycles before degrading significantly, which is roughly four years of use. They are even offering a free replacement if it drops below 80% health before then.

Not to be outdone, Honor has jumped in with the Honor Power 2. This device packs an even slightly larger 10,080 mAh cell. To give you an idea of what this power looks like in the real world, an executive from Realme shared an image showing the P4 Power still sitting at 3% battery after being on for over 31 days.

I will not charge this phone until the day I launch it. If it dies before then, we cancel the launch. pic.twitter.com/s9YWSag4hj
— Francis Wong （王硕） (@FrancisRealme) January 14, 2026

Why the big brands are falling behind

Realme P4 Power and Honor Power 2. | Images credit — Realme & Honor

You might be wondering why your expensive Samsung Galaxy or Google Pixel doesn't have a battery this big. The answer likely lies in the technology being used. Most mainstream flagships still use standard lithium-ion batteries.

The new phones from Realme and Honor appear to use silicon-carbon technology (similar to what we saw in the OnePlus 15). This tech allows manufacturers to pack more energy into the same amount of space. Basically, the battery is denser, so you get way more power without necessarily making the phone look like a brick.

So why aren't Apple and Samsung doing this yet? It usually comes down to caution. Silicon-carbon is newer, and big companies often wait to see how reliable the technology is over several years or how easy it is to source the materials before committing millions of devices to it.

If you could upgrade one aspect of your phone's battery today, what would it be?

Double the capacity so it lasts days Super fast charging (0-100% in 10 minutes) Guaranteed health for 5+ years Wireless charging range

Is a week-long battery necessary?

Personally, the idea of charging my phone once a week sounds like a dream. We have all had that panic when we realize we forgot to plug in our phone at night and wake up to a red battery icon. A device like the Realme P4 Power could completely eliminate that "battery anxiety" for heavy users or people who love camping and traveling.

However, I am curious to see how these phones feel in the hand. Even with the new battery tech, a 10,000 mAh cell is likely to add some weight. If you prefer a slim, featherlight phone, these might feel a bit substantial. But if you value function over form, this could be the innovation you have been waiting for. We will be keeping a close eye on these devices to see if they truly live up to the hype.

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Johanna 'Jojo the Techie' is a skilled mobile technology expert with over 15 years of hands-on experience, specializing in the Google ecosystem and Pixel devices. Known for her user-friendly approach, she leverages her vast tech support background to provide accessible and insightful coverage on latest technology trends. As a recognized thought leader and former member of #TeamPixel, Johanna ensures she stays at the forefront of Google services and products, making her a reliable source for all things Pixel and ChromeOS.

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