
Battery life is always a crucial factor to consider when purchasing a new phone. However, sometimes just looking at the specs isn't enough to envision how long a phone can actually last. Don't wait any longer, let's explore the TOP 5 high-end phones with outstanding battery life together!
The data in this article is provided by the specialist website Phonearena, simulating the usage of a regular smartphone user by testing web browsing. So, we can refer to these numbers.
*Note: The product list is arranged from low to high price for easy tracking, prices are updated as of 01/06/2022!
1. Samsung Galaxy S20+, S20 FE: 4,500 mAh battery, over 12 hours of web browsing
Both of these products feature a 4,500 mAh battery, so it's no surprise that the web browsing test duration simulated by Phonearena is quite similar.
Specifically, in the web browsing test, we have a usage time of 12 hours and 40 minutes for the Samsung Galaxy S20+, while the Samsung Galaxy S20 FE lasts for 12 hours and 12 minutes. These are both incredibly impressive usage times, allowing you to confidently take your phone on long trips without worrying about finding a charger midway.

Furthermore, the screen aspect of the devices is noteworthy, as both are equipped with AMOLED displays, significantly conserving battery compared to other types of panels.
The remaining specifications are also impressive with a 120 Hz refresh rate, large screen, and powerful performance that will make your daily tasks smoother, no longer suffering from 'lagging while worrying about weak battery' situations.

Moreover, both devices support fast charging up to 25W, allowing you to charge the large 4,500 mAh battery quickly without taking too much time. Additionally, this feature ensures your phone is always ready with just a few minutes of charging.
- Galaxy S20 FE - The ultimate gaming smartphone from Samsung that's worth buying.
2. OnePlus 8: 4,300 mAh battery, over 13 hours of web browsing

The next contender for the robust battery high-end phone list is the OnePlus 8, equipped with a 4,300 mAh battery. This phone easily surpasses the web browsing test with a specific time of 12 hours and 15 minutes.
In addition to being equipped with a large battery, the device also comes with super-fast charging capability. With just 22 minutes, you can charge up to 50%, an impressive figure that keeps you ready to use without waiting too long.
One impressive aspect inherited from other OnePlus devices is its excellent software optimization. Android on OnePlus can be said to be as smooth as on a Pixel from Google. Therefore, this will help the OnePlus 8 maintain smoothness over a long period.

The OnePlus 8's screen is quite large at 6.55 inches, with Full HD+ resolution and a 20:9 aspect ratio, providing excellent viewing for cinema-quality movies. Now, the bottom screen bezel has been significantly reduced.

The camera is also a strong point of the OnePlus 8, with the device boasting a triple rear camera setup: a 48 MP main camera, a 16 MP 116-degree ultra-wide-angle camera, and a 2 MP macro camera. This trio of cameras ensures you're always ready to capture every moment, even in low light conditions or with a crowded frame.
text/none3. Xiaomi Mi 10 Pro

The Xiaomi Mi 10 Pro continues the list of powerhouse battery phones with a usage time of up to 14 hours and 12 minutes, thanks to its 4,500mAh battery. This is an impressive figure coveted by many smartphones.
The device also comes with super-fast charging capabilities, providing both 50W wired charging and 30W wireless charging. This is something few smartphones in the world can achieve. With this capability, the Mi 10 Pro will undoubtedly relieve you of worrying about forgetting to charge before going to sleep.

The phone's camera is equipped with a quad-camera setup, featuring a 108 MP main camera, 2 telephoto cameras of 12 MP each, and 1 ultra-wide camera. This camera system supports up to 5x optical zoom, allowing you to capture images from a very far distance without needing to get closer.
The Xiaomi Mi 10 Pro's display is also top-notch with an AMOLED panel, especially supporting HDR10+ and reaching a brightness of up to 500 nits. This allows you to watch movies with image quality comparable to that of a cinema.
text/none4. Samsung Galaxy S21 Ultra
This incredibly HOT Android smartphone from the past year also makes it to the list with a 'beastly' 5,000 mAh battery, providing a web browsing test duration of up to 16 hours and 6 minutes. A duration that I believe is more than enough for a normal day of use.
Charging this massive battery is also not much of a hassle with support for 25W fast charging. Even if you forget to charge before going out or whatever the situation, the phone will still quickly replenish its energy to let you continue your unfinished tasks.

The configuration of the Samsung Galaxy S21 Ultra is beyond discussion, this Samsung flagship boasts the powerhouse Exynos 2100 chip built on the 5nm process, significantly reducing power consumption while maintaining top-tier performance.

The phone's camera is equipped with a quad-camera setup with all the features, from 10x optical zoom to wide-angle shots and night photography, all belonging to the top-tier segment. These features make carrying the Galaxy S21 Ultra more convenient than ever.

The display is also a major plus point of the Samsung Galaxy S21 Ultra, featuring an AMOLED panel, 2K+ resolution, making entertainment and movie watching more vivid than ever. Moreover, the large 6.8-inch screen makes watching long movies on it an extremely comfortable experience.
If you're still undecided about which phone to buy, the big battery fast charging phone - Galaxy S21 Ultra is definitely one of the very worth considering choices.
- Galaxy S21 Ultra 5G Battery Review: Over 10 hours of movie watching, Facebook browsing.
5. iPhone 13 Pro Max
The final smartphone on the list is the iPhone 13 Pro Max, this phone tops the list with over 18 hours and 52 minutes of web browsing test. It can be said that this is an abundant duration that makes you not worry about how much battery percentage is left on the iPhone 13 Pro Max.
What sets the iPhone 13 Pro Max apart is the highly optimized iOS operating system, even overnight the battery drain is only a few percentage points. But if you forget to charge, don't worry, Apple provides fast charging up to 50% in just 30 minutes, so you can use it with peace of mind.

Moreover, the display of the iPhone 13 Pro Max is also among the top segment, featuring Super Retina XDR display with a 120Hz refresh rate making online gaming like League of Legends, PUBG smoother than ever. Additionally, with a maximum brightness of up to 1,000 nits, the display is extremely clear outdoors.

Configuration is something Apple always excels at, and the iPhone 13 Pro Max is no exception. The A15 Bionic chip remains a 'monster' in the smartphone industry, even capable of smooth operation for the next 2-3 years. Furthermore, the iPhone 13 Pro Max comes with a 1TB internal storage version, allowing you to take photos without worrying about running out of storage space.
- iPhone 13 Pro Max Battery Review: Lasts Over 12 Hours Non-stop!
Conclusion
Here, I've compiled 5 premium smartphones with excellent battery life worth buying. These products can all meet the demands of a day's usage without worrying about charging in between. Additionally, the common feature among all 5 is their fast charging capability, helping you quickly 'revive' your battery.

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See more:
- Comparison of battery life between iPhone 13 Pro Max and Galaxy S21 Ultra.
- Comparison of battery life between iPhone 13 models and their predecessors.
- Comparison of battery life of Galaxy S21 Ultra using Exynos 2100 and Snapdragon 888.
- TOP affordable phones with good battery life, up to 6,000 mAh capacity.