Modern phones are remarkable, offering the power and functionality of a high-end PC within a device that can fit in the palm of your hand. But for all the improvements to smartphones in recent years, one thing has stayed stubbornly consistent: battery life.
That’s not to say that there haven’t been strides forward in this area, yet the increased power demands of the incredible processors and huge, bright displays nearly always cancel out any improvements.
However, a handful of phones are still capable of delivering truly stellar battery life. In this article, we’ll run through the 10 very best that are still worth buying in 2025.
Of course, you could get a basic phone which lasts much longer, but there’s no need to give up all your favourite apps for better battery life. Budget, mid-range and high-end smartphones are all included here, so you should find something to suit your budget.
Almost all the phones in this round-up are ranked according to their performance in the PCMark Work 3.0 battery life test, which simulates real-world tasks at a fixed 200 nits of brightness. A higher score generally signals better battery life, though it’s not foolproof.
The app is also only available on Android phones, but we didn’t want to leave the iPhone out entirely. Instead, we’ve included the Apple phone that has performed best during our extensive testing of all recent models.
Best battery life phone 2025
1. Oppo Reno 11 F 5G – Longest lasting

- Battery test score: 22:12
- Battery capacity: 5000mAh
Want a fully-fledged Android smartphone experience but incredible battery life? The Oppo Reno 11 F 5G is the best choice.
Its 5000mAh cell doesn’t sound like anything special, but it delivers truly excellent battery life. In our testing, two full days on a single charge was well within reach.
When you do run out, the 11 F 5G supports 67W fast charging, though the charger isn’t in the box in the UK. There’s also no wireless charging.
Elsewhere, this mid-range phone offers an excellent display, expandable storage and strong main and selfie cameras. However, supporting lenses aren’t quite as good, while mediocre performance, a plasticky build and limited software support may encourage you to look elsewhere.
Read our full
Oppo Reno 11 F 5G review
2. Oppo A78 5G – Best on a budget

Pros
- Good performance for the price
- Nice 90Hz display
- Superb battery life
Cons
- Average cameras
- Loads of bloatware
- Cheap build
Price When Reviewed:
244 Euro
- Battery test score: 21:08
- Battery capacity: 5000mAh
The Oppo A78 5G might be cheap, something which shows in its cheap build quality and average cameras, but it doesn’t skimp on battery life. If there was a metric of the most battery life for your money, this would be the phone to beat.
There are other things to like about the phone, too, including an attractive 90Hz display and decent enough performance to get you through your day.
If you’re looking for something reliable while out and about, but don’t need all the bells and whistles of more expensive handsets, it’s a good choice.
Read our full
Oppo A78 5G review
3. Samsung Galaxy S25 Ultra – Best flagship

Pros
- Slick software
- The most advanced AI around
- Gorgeous anti-reflective screen
- Top-tier performance
Cons
- Very similar to S24 Ultra
- S Pen no longer has Bluetooth
- Expensive
Price When Reviewed:
1219 Euro
Best Prices Today:
- Battery test score: 19:48
- Battery capacity: 5000mAh
Samsung’s top-of-the-line flagship is known for a lot of things, but its battery life prowess shouldn’t be overlooked.
The 5000mAh cell can handle even the most demanding days and have charge to spare, while two days is within reach with light usage. This appears to be driven by the Snapdragon 8 Elite chipset, which also means the S25 Ultra can last longer than its predecessor for video playback.
And while expensive, there are loads of other compelling reasons to buy this phone. Performance, display and software are all arguably best-in-class, with useful Galaxy AI features and seven years of updates.
It’s not exactly a subtle phone, and the removal of Bluetooth means the S Pen stylus has essentially been downgraded. But if you want a great flagship phone that just happens to have very good battery life, the S25 Ultra is for you.
Read our full
Samsung Galaxy S25 Ultra review
4. Apple iPhone 16 Pro Max – Best iPhone

Pros
- Stunning 6.9-inch display
- Premium design and build
- Powerful A18 Pro chipset
- Camera Control and Action Buttons
Cons
- Apple Intelligence still needs work
- Only 8GB of RAM
- Expensive
Price When Reviewed:
1449 Euro
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- Battery test score: N/A
- Battery capacity: 4685mAh (unconfirmed)
The iPhone can’t run the PCMark app we’re using to rank Android phones in this list. However, the iPhone 16 Pro Max’s real-world battery life is so good that we had to include it.
As usual, Apple hasn’t disclosed the capacity of its battery, though GSMArena puts it at 4685mAh. That’s a little small by Android phone standards, but the combination of efficient A18 Pro chipset (which also ensures brilliant performance) and Apple’s other optimisations make it one of the longest-lasting phones around.
Most people will get well over a day of battery life without even trying. With light usage, that can stretch to two full days.
There’s lots more to like here, including very strong cameras, a unique Camera Control button and a high-quality design. There’s also a huge 6.9-inch display that makes it great for watching videos.
iOS 18 is as good as iPhone software has ever been, though Apple Intelligence isn’t a game-changing addition yet.
The high price tag means the iPhone 16 Pro Max isn’t for everyone, but no Apple phone can match it when it comes to battery life.
If you’re looking for something more affordable, the iPhone 16 Plus has battery life that’s nearly as good.
Read our full
iPhone 16 Pro Max 256 GB Titan Wüstensand review
5. HMD Skyline – Best for repairability

Pros
- Sharp 6.55-inch display
- Easily replaceable parts
- Qi2 wireless charging
- Very good main camera
Cons
- Only two years of core Android updates
- Only IP54 water and dust resistance
- No headphone jack
- Battery test score: 18:23
- Battery capacity: 4600mAh
There are two big reasons to buy the HMD Skyline over any of the other phones on this list.
The first is built-in Qi2, meaning it supports the latest MagSafe style wireless charging. The other is repairability, with most replacement parts widely available and easy to fit at home.
Battery is one of the parts you can replace, but you might not have to for a while when battery life is this good. Even with the attractive 6.55-inch pOLED display set to 144Hz refresh rate, you’ll basically never have to worry about running out of charge before the end of the day. For many people, two days will be within reach.
Solid performance and an impressive main camera are other highlights, though software support is a key drawback. For a phone that’s easily repairable, a commitment to just two years of OS updates and three years of security patches is disappointing.
However, if you plan on upgrading by 2027 anyway, the HMD Skyline is a compelling phone with excellent battery life.
Read our full
HMD Skyline review
6. Nothing Phone (2a) Plus – Strong all-rounder

Pros
- Unique ‘Glyph’ lights
- Premium metallic build
- Impressive selfie camera
- Great performance, including gaming
Cons
- Polarising design
- Other cameras not so good
- No charger in box
- Battery test score: 16:24
- Battery capacity: 5000mAh
One of two Nothing smartphones in this list, the older Phone (2a) Plus has the slight edge when it comes to battery life.
Its 5000mAh cell is nothing special, but PCMark data and real-world usage show it can last a very long time on a single charge. That’s at least one full day for pretty much everyone, but closer to two if you’re not a heavy user.
However, the big reason to buy the Phone (2a) Plus over non-Nothing rivals is its unique ‘Glyph’ interface of lights on the back, which can be customised for ringtones, notifications and more. Combined with the premium metallic build, it’s a genuine standout phone.
Elsewhere, the display and performance are both very good, as is the selfie camera. The other lenses aren’t quite as good, but still very usable.
Nothing also has a unique take on Android, offering a range of customisation options and decent software support.
Read our full
Nothing Phone (2a) Plus review
7. Nothing Phone (3a) – Best value for money

Pros
- Incredibly stylish design
- Affordable price point
- Slick and speedy software
- Great battery life
Cons
- Ultrawide camera isn’t great
- No charger in the box
Price When Reviewed:
329 Euro
Best Prices Today:
- Battery test score: 16:14
- Battery capacity: 5000mAh
The Nothing Phone (3a) offers the best value for money of any smartphone right now. And it just so happens that battery life is one of its key strengths.
A modest 5000mAh cell can still deliver well over seven years of screen-on time on a single charge – equivalent to two full days for many people. 50W charging means you’ll be back up and running fairly quickly, even if there’s no charger in the box.
Of course, the Phone (3a)’s quirky design and customisable ‘Glyph’ rear lights will get people’s attention, but it’s not a case of style over substance. The device is surprisingly rapid, with an attractive 120Hz display supplemented by strong Snapdragon 7s Gen 3 performance.
Nothing’s highly customisable Android skin is one of the better versions around, and the main camera performs well in most environments. The main exception to that is low light, and the ultrawide lens is disappointing.
But when you’re paying so little and getting so much, including brilliant battery life, the Phone (3a) is easy to recommend.
Read our full
Nothing Phone (3a) review
8. Samsung Galaxy S24+ – Still a great choice

Pros
- Excellent 6.7-inch display
- Strong performance (Exynos or Snapdragon)
- Great cameras
- Useful AI features
- Seven years of updates
Cons
- Expensive
- No S Pen support
Price When Reviewed:
1099 Euro
Best Prices Today:
- Battery test score: 16:04 (Exynos), 15:52 (Snapdragon)
- Battery capacity: 4900mAh
For many people, the S24+ is the sweet spot in Samsung’s flagship S24 range. And even though the Galaxy S25 series is now available, this older model is still a great buy.
That’s especially true when it comes to battery life, where it beats the new models in our benchmark. This applies to both the Exynos model available in the UK and Snapdragon version you’ll find in the US – we’ve tested both.
The Snapdragon 8 Gen 3 has the slight edge when it comes to performance, but the Exynos 2400 isn’t far behind, representing a big leap forward for Samsung’s own chipsets. Charging has also been improved compared to previous generations – it’s now at 45W.
But the S24+ is a very well-rounded phone, with a stunning 6.7-inch display, premium design and great cameras. You also get slick, Galaxy AI-infused software that continues to get better over.
With discounts likely on this older model and long software support, the S24+ is still easy to recommend.
Read our full
Samsung Galaxy S24+ review
9. Xiaomi Redmi Note 14 Pro+ – Best for fast charging

Pros
- Excellent charging speed
- Very capable main camera sensor
- Premium design and finish
Cons
- Performance issues
- Stale software with lots of bloatware
- Not available in the US
Price When Reviewed:
499 Euro
- Battery test score: 16:00
- Battery capacity: 5110mAh
Do you want a phone that has great battery life and rapid charging? Look no further than the Redmi Note 14 Pro+…provided you’re not based in the US, where the phone isn’t sold.
It combines a very capable 5110mAh, which offers all-day battery life and then some, with super-fast 120W wired charging that can get you from 0-100% in just 25 minutes. Having both in a single device is a real plus.
The Redmi Note 14 Pro+ also impresses when it comes to design, display and cameras – the main rear lens is up there with the very best at this price.
However, there are two areas where you’ll have to compromise: performance and software. Neither will be dealbreakers for most people, but they fall slightly short when it comes to fluidity and easy and ease of use.
Otherwise, the Note 14 Pro+ is a compelling mid-range phone with an admirable set of features.
Read our full
Redmi Note 14 Pro+ 5G review
10. CMF Phone 1 – Excellent budget option

Pros
- Unique, stylish design
- Solid performance
- Fun accessories
- Excellent value
Cons
- No NFC
- Simple camera setup
Price When Reviewed:
239 Euro
Best Prices Today:
- Battery test score: 15:59
- Battery capacity: 5000mAh
The best budget phone you can buy just happens to have excellent battery life. The CMF Phone 1, the first ever phone from the Nothing sub-brand, combines excellent stamina with a genuinely unique design.
Combining a modest 5000mAh cell with power-efficiency MediaTek Dimensity 7300 chipset yields decent performance, but very good battery life. We’re talking a realistic chance of two days on a single charge for many people.
Its other key selling point is the unique design, with a stylish back panel which can be swapped out for something more colourful. There’s also an attachment in the bottom-right corner which can be used to connect custom lanyards, kickstands or wallet accessories.
With a great display and unique software, it has so many strengths. Basic cameras and a lack of NFC are the main shortcomings, but most people will be able to overlook these at this affordable price.
Read our full
CMF Phone 1 review
Why you should trust Tech Advisor
Phone reviews and buying advice have been a staple of Tech Advisor’s coverage since the original iPhone was released in 2007 and Android made its first headlines in 2008.
And in every one of those reviews, battery life has been a key component. We’ve seen battery capacities steadily rise and then stabilise, plus more advanced chips that supposedly deliver improved power efficiency. More recently, many phones use software smarts to optimise background processes and reduce battery drain.
17 years later, battery life has improved significantly compared to early smartphones. But it’s still a relatively level playing field, with cheap phones often matching or even bettering their flagship counterparts.
While the phones in this list are ranked based on their benchmark performance, we know how important it is to test battery life in the real world. Therefore, we perform in-depth, real-world testing on every new Android and iPhone model that’s worth buying (dozens every single year), adopting it as our primary phone for the most authentic experience possible and making sure we are in a position to give you the best possible phone buying advice.
Battery life phones buying guide
How is battery capacity measured?
Battery capacity is measured in milliamp-hours (mAh). The higher the mAh of a battery, the higher its technical capacity. But the phones with the highest mAh aren’t always the phones with the best battery life.
It can depend on how efficient the phone’s processor is in conjunction with the software, as well as how much you actually use your phone. Expensive high-end phones often are faster and have better screens, but require larger batteries to compensate or suffer from crippling shortfalls.
What should you look out for?
When choosing a phone, it’s important to consider what you’ll likely use it for primarily and the hardware that it brings to the table. If you buy a larger-screened phone with a high-resolution display and a high peak brightness, those attributes are all going to affect longevity negatively compared to a phone with the same-sized battery but a smaller or lower resolution panel, for example.
Some phones – particularly in the mid-range and budget segments – may offer large batteries and great battery life but forgo or offer underwhelming fast-charging speeds, meaning recharging them at any time other than overnight may become a chore.
Decent fast charging speed wattages to look out for as of 2022 are anything over 33W, with some devices boasting 120W and beyond, at the top end of the current range.
What do the results show?
For consistency’s sake, we’re only including phones which have been tested using our most current benchmarking process, which relies on PC Mark’s Work 3.0 battery test to generate a score. The only exception is iPhones, which don’t support this app, so we do our best to factor those into the ranking based on real-world testing and experience.
It’s worth noting that these tests spit out a figure in minutes and seconds, but this is not an indication of how long a phone will actually last.
In all tests, the screen brightness is set to the same level to ensure fairness and consistency (200cd/m2). The phone discharges its battery and the screen is set not to dim or turn off.
For example, if a phone lasts 12:15 in a test, it lasted 12 hours and 15 minutes with the screen on and the test processes running. These figures may vary from a device’s own report of screen-on time, as usage and power management setups have an additional effect on real-world situations.
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