What’s a recurring nightmare during family trips? The smartphone battery draining out. It means no pictures, no navigation maps, and no digital payment. And forget about posting on social media. Many readers can relate to the scenario. Enter Redmi 15 5G, which is Xiaomi’s latest phone. The USP is simple: Pack in a silicon-carbon 7,000 mAh battery. You read that figure correctly.

Xiaomi has worked on battery technology to offer the latest and combined it with an effective chipset. Redmi 15 5G may become the on-and-on phone you have been looking for.

Battery that lasts days

Plenty of companies have been developing smarter battery technology for years, including methods to increase battery capacity.

If you have been keeping track of phone battery sizes for the past few years, you might be wondering how companies are offering a jump without designing a phone that’s heavier or thicker. Having 5,500 or 6,000 batteries is becoming common. These batteries come with a new silicon carbon anode, or a mixture of silicon and graphite. The results speak for themselves. There is more energy density, but it also enables faster charging and a greater range of operating temperatures. It will be especially helpful for small phones, which no longer have to sacrifice battery power. It will also be great for folding phones because it will help them go slimmer. Further, these batteries are light.

We are talking of three days of light usage or at least two days of moderate to heavy usage. Even if you are a gamer, the phone can easily last an entire day.

Even with all the battery power, the phone — at 8.4mm — is just 0.1mm thicker than its predecessor. There are not many compromises Redmi has made in the design department. The in-hand feel is quite good, even though it’s on the bigger side.

The corners have been kept rounded, and the matte finish ensures there are no fingerprint smudges. The metal camera module not only looks good, but it also helps with heat dissipation, so you get a thermally efficient phone. The more a phone heats up, the more the battery is affected. So heat dissipation is an important element. Even after four years of usage, the battery should be healthy enough to last a full day.

It's a 6.9-inch FHD+ Dot display with a resolution of 2340 × 1080

All that you need in a phone

All the things you expect from a phone are there — a 33W charger in the box, case, screen protector (pre-applied)… so users don’t have to buy anything extra. On top of that, the phone comes with IP64 rating, making it perfect for the Indian weather.

Usually, problems pop up after a few months of purchase, like the phone slows down or the battery life isn’t up to scratch. Those things have been taken care of by Redmi. Don’t go by specs alone. It’s time to care about the brightness and battery size.

Take the case of Redmi 15. There is a smart charging feature, so it understands your power needs, like bedtime routines. Further, the display supports 144Hz AdaptiveSync refresh rate. If you are always on 120Hz even while using apps that don’t require it, you will drain the battery quickly. Redmi gets it right.

The 6.9-inch FHD+ display feels smooth and is large enough for streaming needs. Users get a Snapdragon 6s Gen 3 AI processor. It’s a nimble processor that will see you through all kinds of app activities, including a fair bit of gaming. Support for AI features like Circle to Search and Google Gemini is there.

Make the call

We will talk about the camera in a future article. There is a 50MP dual camera system that takes advantage of AI-powered imaging. On the front is an 8MP snapper. In the AI photo department, there are AI erase and AI sky replacement tools. Redmi has focused on delivering features that make a difference to the experience of using a phone rather than going overboard with specs. It’s a bold device, and what’s bolder is battery life… you don’t have to sacrifice features to keep the phone ticking over to the next day.

The Redmi 15 5G will be available in three variants: 6GB + 128GB at ₹14,999, 8GB + 128GB at ₹15,999, and 8GB + 256GB at ₹16,999. The device will go on sale starting August 28.