As a real mobile office, the smartphone allows you to work remotely, check or send emails and stay connected at any time. So it's essential that it has excellent autonomy to avoid recharging several times a day and wasting time waiting for the battery to be full. Choose with peace of mind with the help of our guide to smartphones with the best battery life.
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Our selection
"Enduring and well-equipped, the Moto G9 Plus from Motorola features a 6.50-inch display for 720 x 1600 px. Its high-capacity battery (5,000 mAh) allows several…"
"Discover a cheap smartphone with great value for money with the Xiaomi Redmi Note 10. This is a 4G smartphone equipped with a Qualcomm processor,…"
"Thanks to its advanced configuration and the presence of 2 batteries, the Asus ROG Phone 5 is one of the best high-end smartphones for gaming,…"
"This smartphone is incredible in more ways than one. Unbreakable, it embeds a body thermometer and a powerful Helio P60 octa-core processor, not to mention…"
Enduring and well-equipped, the Moto G9 Plus from Motorola features a 6.50-inch display for 720 x 1600 px. Its high-capacity battery (5,000 mAh) allows several applications to be opened for hours.
287 £ on AmazonFor normal use, the Motorola G9 Plus can achieve a battery life of around 16 hours thanks to its 5,000 mAh battery. This smartphone also offers a 6.50-inch 720 x 1600 display powered by the Qualcomm Snapdragon 662 processor. Its RAM is 4 GB and the main sensor of its photo module displays a resolution of 64 MP while offering FHD video quality at 30 fps. The whole thing is protected by a plastic casing that is surrounded by an anti-splash coating.
The main factors that set the Moto G9 Plus apart are its large screen and large battery capacity. Beyond that, it lacks a bit in features and options compared to newer versions of smartphones. But when you take into account the price of this smartphone with the best battery life, we can say that it is certainly a solid purchase.
Discover a cheap smartphone with great value for money with the Xiaomi Redmi Note 10. This is a 4G smartphone equipped with a Qualcomm processor, a 48MP camera, and powered by a 5,000 Mah battery.
218 £ on AmazonThis model impresses with its octacore Qualcomm Snapdragon 678 processor with a clock speed of up to 2.2 GHz. This is coupled with a 4GB RAM with 128GB storage space to cover great performance and ensure better fluidity even for heavier activities. The device is powered by a 5,000 mAh battery for up to 48 hours of autonomy with a recharge time of about 75 min and a 33 W wire charge.
At its display, the smartphone includes a 6.43-inch Amoled 60 Hz Full HD panel in 20:9 format for a brightness rate of 2.1 at 754 nits. On the camera side, the phone is made up of four sensors including a 48MP main sensor, an 8MP ultra-wide-angle sensor, a 2MP macro sensor as well as a 2MP depth sensor. To its connectivity, it has NFC, Wi-Fi, Bluetooth, USB-C and Infrared. For 178.8 g, the smartphone takes a depth of 8.3 mm with a length of 16 cm for a width of 7.45 cm.
Thanks to its advanced configuration and the presence of 2 batteries, the Asus ROG Phone 5 is one of the best high-end smartphones for gaming, watching videos, listening to music and surfing social networks.
1 007 £ on AmazonThe Asus ROG 5 gamer smartphone has 2 batteries of 3,000 mAh each, showing a total combined capacity of 6,000 mAh! For normal use such as looping video playback with airplane mode, you'll get an average battery life of 20 hrs, with the screen set to 120 Hz. If the refresh rate is on automatic mode, this autonomy can reach 28 h. The refresh rate can reach 144 Hz and when you change the program alternately, the autonomy is then evaluated at about 19 h. In automatic mode and with versatile use, you can gain 2 hours. Note that it supports a wired charging power of 65 W.
On the performance side, the ASUS ROG Phone 5 ZS673KS has one of the fastest smartphone displays on the market. Basically, you'll be able to watch 144 fps (frames per second) on a 6.78-inch slab, while other smartphones in the same category display only 30 fps or 60 fps. To access the Internet, this smartphone with the best autonomy offers a Wi-Fi 6 connection over 5G network. This mobile is powered by the latest Qualcomm Snapdragon 888 with UFS3.1 and 16GB LPDDR5 RAM.
This smartphone is incredible in more ways than one. Unbreakable, it embeds a body thermometer and a powerful Helio P60 octa-core processor, not to mention the huge 8,500 mAh battery, to guarantee a performance that forces respect.
215 £ on AmazonThe heart of the DOOGEE S86 Pro is powered by a Helio P60 octa-core, 4 cortex-A53 and 4 Cortex A73, for a frequency up to 2.0 GHz. Its graphics card is an AMR Mali G72, whose frequency can rise to 800 MHz. As for memory, this smartphone comes with 8 GB of RAM and 128 GB of ROM. You will have plenty of storage space that you can even expand with a TF card up to 256 GB of capacity. An important point to note is that this model is unbreakable and can withstand drops, shocks and immersion.
Moreover, the DOOGEE S86 Pro offers a dual SIM system on the left side, surrounded by a silicone ring to ensure perfect waterproofing. Its large 8,500 mAh battery that can last 2-4 days, which positions this phone among the smartphones with the best autonomy. In addition, the full charge does not exceed 3 hours. The function key can be used to take a screenshot or play any application you have installed. Finally, how not to mention the triple rear camera (16MP + 8MP + 2MP)?
Any specific needs?
The best smartphone with the best battery life in 2021
The best entry-level smartphone with the best battery life in 2021
The best high-end smartphone with the best battery life in 2021
The unbreakable smartphone with the best battery life
Your guide :
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| THE BEST | CHEAP | TOP OF THE LINE | UNBREAKABLE | |
In accordance with our commitment, this buying guide does not contain any sponsored products. |
8/10 |
9/10 |
9/10 |
9/10 |
| OUR SELECTION |
Motorola Moto G9 Plus
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Xiaomi Redmi Note 10
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ASUS ROG Phone 5 ZS673KS
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DOOGEE S86 Pro
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Enduring and well-equipped, the Moto G9 Plus from Motorola features a 6.50-inch display for 720 x 1600 px. Its high-capacity battery (5,000 mAh) allows several applications to be opened for hours.
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Discover a cheap smartphone with great value for money with the Xiaomi Redmi Note 10. This is a 4G smartphone equipped with a Qualcomm processor, a 48MP camera, and powered by a 5,000 Mah battery.
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Thanks to its advanced configuration and the presence of 2 batteries, the Asus ROG Phone 5 is one of the best high-end smartphones for gaming, watching videos, listening to music and surfing social networks.
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This smartphone is incredible in more ways than one. Unbreakable, it embeds a body thermometer and a powerful Helio P60 octa-core processor, not to mention the huge 8,500 mAh battery, to guarantee a performance that forces respect.
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Battery capacity
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5,000 mAh
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5,000 mAh
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6,000 mAh
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8,500 mAh
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Screen size / resolution
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6.81 inches / 1080 x 2400 px
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6.5 inch FHD
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6.78 inches / 2448 x 1080 px
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6.1 inches / 720 x 1560 px
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Weight
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500 g
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178.8 g
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238 g
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323.01 g
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RAM
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4 GB
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4 GB
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16 GB
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8 GB
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Storage capacity
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128 GB
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128 GB
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256 GB
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128 GB
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It may sound strange, but weight is an important criterion! Indeed, the heavier a smartphone is, the longer its battery life. For convenience, look for a compromise between weight and battery quality when buying a smartphone with a big battery life.
The internal memory allows you to store your data and applications. To get a smartphone that performs well in terms of battery life, bet on a model with at least 16GB of internal memory. If you want more, base it on the size of the applications pre-installed in your smartphone as well as the space occupied by the operating system.
What better than a smartphone to capture epic moments. For this purpose, opt for a device with large sensors with wide apertures, or even a laser autofocus for clear photos. In any case, take pictures with the smartphone and then judge for yourself if you are satisfied with the result or not.
However, you should know that the resolution of the sensor does not matter: Xiaomi's 108 MP is not superior to Apple's 12 MP, for example. And since screen resolution often goes hand in hand with the quality of the photo module, favor QHD+ and FHD+ resolutions to ensure a better visual experience.
Smartphones usually come with power-hungry applications, some of which are triggered without your knowledge. Therefore, to enjoy an exceptional autonomy, that is to say above average, bet on a smartphone equipped with a battery of at least 4,500 mAh. This will allow you to use the mobile Internet, your music and video player or Bluetooth functionalities at all times.
Is the battery removable? How much power does it provide? How long does it take to charge? Is a fast charger included with the smartphone? Does the battery accept induction charging? These are the questions to ask and find answers to before buying a smartphone with the best battery life.
By downloading the latest version of your software and applications, you will benefit from the latest features that will boost the performance of your smartphone. This will protect your device from malware, while optimizing the use of available resources.
Reduce the brightness, contrast, and saturation to optimize your smartphone's performance. Make adjustments via the device's settings to extend the life of your battery.
If your smartphone's sleep time is 30 seconds or more, the device's power consumption will increase accordingly. Reducing the standby time will ensure better battery life.
No one is safe from theft or loss of their smartphone. Therefore, always remember to lock access to your files and activate the location function of your device.
If you have a bunch of apps that you hardly use, delete them because they contribute to slowing down your device. As for the ones you rarely use, consider locking them to prevent them from launching automatically when you don't need them. As for pre-installed applications, even when locked, they may still run in the background. So force them to stop in the settings of your smartphone.
To free up your smartphone's storage space, regularly delete your cache, applications and media that you don't need. Also proceed to deactivate the automatic media synchronization in WhatsApp.
Install a VPN app on your mobile device to protect yourself from cybercriminals. The app will allow you to use open Wi-Fi networks safely under the "anonymous" status.
A smartphone with the best battery life allows you to stay connected everywhere. So going away from the office or home is no longer a problem. With the advent of home automation, you can even monitor the house via smartphone while you're away. And if you get lost in the middle of nowhere, you can download a GPS app to find your way back. So a smartphone with a very long battery life is a great help.
The advantage with this type of device is that it can remain functional for 2 to 3 days before needing a recharge. This gives you plenty of time to enjoy your weekends without worrying. Until the next recharge, you can take pictures, chat, check your emails, etc. without any worries. Just remember to take all the necessary precautions to optimise your smartphone's performance and maintain its battery level.
When it comes to price, smartphones with the best battery life are available for all budgets. For very little money, you can get an excellent model that will more than satisfy you. Of course, for this price, it won't be top of the range, but you will still have access to the essentials.
The external solar battery consists of a built-in battery and a solar panel. The way it works is very simple. The device captures solar energy and then stores it to charge up to four smartphones or other devices simultaneously, with a fast wireless charging option.
So you can charge your tablet, laptop and small devices anywhere with the solar battery and go camping, hiking, or traveling with peace of mind. The advantage with this battery is its high resistance to water and shocks. This is thanks to its silicone coating. In addition, it has an increased portability due to its compactness and lightness.
However, the external solar battery has its limitations. Once the weather is overcast, there is only one option left: plugging the battery into a mains socket. This is not always possible, especially if you are hiking or in a remote area without electricity.
In conclusion, nothing prevents you from counting the external solar battery among your survival kit, especially when you go into the wilderness. However, a smartphone with the best autonomy will give proud services and will be able to remain functional for a long time before recharging. Moreover, in the long run, charging your device with a fast charger may shorten the life of the battery.
To avoid frequent charging of your smartphone
Investing in a smartphone with better battery life will save you the frustration of recharging your device every two or three hours.
For peace of mind
There's nothing more frustrating than a phone that gives out on you while you're expecting an important call or in the middle of a conversation with your boss. When you feel that your smartphone battery is about to run out, you start to get nervous, and the person on the other end of the line will eventually feel it. This can quickly become annoying because the person on the other end of the line hasn't finished talking to you, while you are rushing to finish.
To surf the Internet without interruption
When your phone's battery is low, your downloads and updates stop. You can't use the Internet and your live chats are suddenly interrupted. With a smartphone with better battery life, this won't happen.
For gaming
The greater the battery capacity, the longer the smartphone will last. When you are fully immersed in a game, your concentration is very much in demand. So you don't have to worry about whether your smartphone's battery is about to give up the ghost. A smartphone with a long battery life is your best bet.
To find your way around
A smartphone with great battery life can also make a difference when you're browsing Google Maps or trying to find your way around using a GPS app. Apps that require a connection to the GPS and GLONASS networks are known to be power-hungry. Any battery will not last long.
In our opinion, the best brands of smartphones with the best battery life in 2022 are :
Even though Motorola smartphones have lost some of their glory since the advent of touchscreens, they still have a strong presence in the market and still offer excellent performance in the mid-range category.
The Xiaomi brand was born in 2010. Not limited to China, it stands up to the market leaders, taking only 10 years to reach the fourth place worldwide. Xiaomi, Redmi, Poco... The brand has developed a range of models to meet all needs.
Founded in 2013, this brand is young and yet their phones are durable and reliable and can compete with the biggest brands. This is especially thanks to their all-terrain smartphones, which are perfectly shockproof, extreme conditions.
Through excellence, the Taiwanese manufacturer has become an essential part of the global computer landscape. The ROG series, for example, has made many gamers happy. The next logical step for Asus was to offer gaming smartphones with particularly long battery life.
Who doesn't know the Apple brand? Each of its product launches creates a monumental buzz around the world and generates incredible queues. In fact, Apple launched the first real smartphone, the iPhone, which has become the firm's cash cow.
The diagram below will help you to get an idea of the typical prices for each price range (entry-level, mid-range and high-end).
However, more expensive does not necessarily mean better.
We therefore advise you to always consult our ranking before deciding, rather than blindly relying on price ranges.
Update your apps
For the security of your data, it is essential to update your software and applications every time. These updates often include vulnerability, security, and maintenance patches that are useful for the proper functioning of your device.
Do not overheat the smartphone
When your smartphone is charging, it is strongly advised not to use it. If you do so, your device may overheat and explode.
Protect your smartphone from shocks
Protect your smartphone's screen with a protective tempered glass film and its shell with a cover. This is to avoid spending a hundred euros just for a screen replacement and to protect your device from irreversible damage in case of shocks or drops.
Respect the loading time of the smartphone
With a smartphone, always respect the right balance in terms of charging. To this end, to best preserve its battery, do not exceed the charging time recommended by the manufacturer. To do this, rely on the instructions in its user manual.
Beware of extreme temperatures
Smartphones are highly sensitive to frost and heat. Therefore, avoid leaving it in your car in hot weather or exposing it to low temperatures. If your device needs to be recharged, wait for its temperature to stabilize before plugging it into a charger.
To save your smartphone's battery efficiently and at the same time optimize its performance, regularly update its software, change your usual wallpaper to a black one, deactivate the automatic brightness, give preference to recharging via a mains socket, and deactivate the applications and technologies you do not use: Wi-Fi, Bluetooth, GSP, etc.
Here's how to properly care for your smartphone 's battery and add a few extra months to its life. First, charge your device to around 30-50% before storing it. Then, when you charge it, put it in a room where the temperature is ambient. The ideal temperature is 15°C.
To do this, avoid charging your smartphone all night, don't wait until your battery is completely flat before thinking about recharging it. Recharge it as soon as it reaches 30%. You should also charge it regularly. Wait until your smartphone's temperature is stable (neither too hot nor too cold) before recharging its battery.
Protect your smartphone battery by avoiding fast-charging. This is a method of charging twice as fast using a special cable. Be aware that this will shorten its lifespan, so don't do it anymore. Once (only) every month, discharge your battery to 5% and then charge it to 100%. Only use the charger that came with your smartphone to charge it. Other chargers on the market may not be suitable or dangerous if they are counterfeit.
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